music/generated/journey_world_ab/ab_report.json
{
"_doc": "THE MELODY A/B -- arm 1 (authored head cell + arrangement) vs arm 2 (scaled prompt ladder). Same rig, same spec, same reference intervals for both arms.",
"sub_arms": {
"arm1_repaint": {
"summary": {
"n": 4,
"melodic_salience": {
"median": 0.9716,
"mean": 0.9214,
"best": 1.0
},
"motif_3gram_jaccard": {
"median": 0.7747,
"mean": 0.6401,
"best": 0.8571
},
"motif_4gram_jaccard": {
"median": 0.7448,
"mean": 0.6149,
"best": 0.85
},
"register_match_cosine": {
"median": 0.9101,
"mean": 0.9139,
"best": 0.9437
},
"hummability_proxy_percent": {
"median": 0.5,
"best": 0.625
},
"note_count": {
"median": 26.0,
"best": 29.0
},
"leap_delivered_count": 4,
"leap_delivered_rate": 1.0,
"licensed_leap_delivered_count": 4,
"head_figure_exact_count": 4,
"head_figure_tol1_count": 4,
"head_mirror_tol1_count": 4,
"seam_clean_count": 0
},
"n": 4,
"reading": "the authored tune held; the model writes around it"
},
"arm1_lego_cover": {
"summary": {
"n": 5,
"melodic_salience": {
"median": 0.4524,
"mean": 0.4426,
"best": 0.5277
},
"motif_3gram_jaccard": {
"median": 0.0,
"mean": 0.0,
"best": 0.0
},
"motif_4gram_jaccard": {
"median": 0.0,
"mean": 0.0,
"best": 0.0
},
"register_match_cosine": {
"median": 0.689,
"mean": 0.6898,
"best": 0.7392
},
"hummability_proxy_percent": {
"median": 0.6875,
"best": 0.9286
},
"note_count": {
"median": 16.0,
"best": 18.0
},
"leap_delivered_count": 0,
"leap_delivered_rate": 0.0,
"licensed_leap_delivered_count": 0,
"head_figure_exact_count": 0,
"head_figure_tol1_count": 0,
"head_mirror_tol1_count": 0,
"seam_clean_count": 4
},
"n": 5,
"reading": "the authored tune supplied as audio context or cover source, with NO region held"
}
},
"_question": "does authoring the tune and arranging around it beat prompting for it, on the melody diagnostics, while holding the declared register?",
"_honest_tier": "GENERATED SCORE - ITERATION (arm 1 arranges an AUTHORED_HEAD_CELL)",
"_reference": {
"intervals": [
4,
3,
9,
-4,
-3,
-9,
-3,
3,
5,
-5,
-5,
5,
4,
-4,
-5,
4,
3,
5,
-3,
-2
],
"head_intervals": [
4,
3,
9
],
"licensed_leap": 9,
"source": "build/audio/authored/journey_world/JOURNEY_WORLD_AUTHORED_HEAD_CELL.json"
},
"_proxy_limits": {
"B1_recall_singback": "needs a naive human listener",
"D1_first_notes_identification": "needs a naive human listener",
"D2_notation_free_transmission": "needs a second musician",
"D8_clap_test": "needs a naive human listener",
"reading": "a win here is a measured win on 5 diagnostics, not a passed doctrine gate"
},
"authored_reference_scored": {
"artifact_id": "JOURNEY_WORLD_AUTHORED_HEAD_CELL",
"arm": "reference",
"op": "authored",
"engine_profile": "",
"carrier": "",
"keyscale": "D major",
"target_bpm": 120,
"held_until_s": null,
"lego_track": null,
"audio_cover_strength": null,
"audio": "build/audio/authored/journey_world/JOURNEY_WORLD_AUTHORED_HEAD_CELL.wav",
"melodic_salience": 1.0,
"motif_3gram_jaccard": 0.8571,
"motif_4gram_jaccard": 0.8095,
"head_figure_present_exact": true,
"head_figure_present_tol1": true,
"head_mirror_present_tol1": true,
"leap_delivered": true,
"licensed_leap_delivered": true,
"widest_rising_interval": 9,
"n_wide_intervals": 4,
"register_match_cosine": 0.8674,
"seam_clean": false,
"seam_ratio": 30.854,
"note_count": 42,
"note_rate_per_s": 1.312,
"hummability_proxy_percent": 0.5714,
"measured_bpm": 123.05,
"bpm_rel_error": 0.0254,
"key_window_agreement": 0.25,
"baked_fade_out": false
},
"arm1": {
"summary": {
"n": 9,
"melodic_salience": {
"median": 0.5277,
"mean": 0.6554,
"best": 1.0
},
"motif_3gram_jaccard": {
"median": 0.0,
"mean": 0.2845,
"best": 0.8571
},
"motif_4gram_jaccard": {
"median": 0.0,
"mean": 0.2733,
"best": 0.85
},
"register_match_cosine": {
"median": 0.7392,
"mean": 0.7894,
"best": 0.9437
},
"hummability_proxy_percent": {
"median": 0.5714,
"best": 0.9286
},
"note_count": {
"median": 17.0,
"best": 29.0
},
"leap_delivered_count": 4,
"leap_delivered_rate": 0.4444,
"licensed_leap_delivered_count": 4,
"head_figure_exact_count": 4,
"head_figure_tol1_count": 4,
"head_mirror_tol1_count": 4,
"seam_clean_count": 4
},
"rows": [
{
"artifact_id": "JOURNEY_WORLD_A1_C1_STR75",
"arm": "arm1_authored_head_cell",
"op": "cover",
"engine_profile": "xl_sft",
"carrier": "horn",
"keyscale": "D major",
"target_bpm": 120,
"held_until_s": null,
"lego_track": null,
"audio_cover_strength": 0.75,
"audio": "build/audio/generated/journey_world_ab/JOURNEY_WORLD_A1_C1_STR75.wav",
"melodic_salience": 0.4571,
"motif_3gram_jaccard": 0.0,
"motif_4gram_jaccard": 0.0,
"head_figure_present_exact": false,
"head_figure_present_tol1": false,
"head_mirror_present_tol1": false,
"leap_delivered": false,
"licensed_leap_delivered": false,
"widest_rising_interval": 4,
"n_wide_intervals": 0,
"register_match_cosine": 0.7392,
"seam_clean": true,
"seam_ratio": 1.067,
"note_count": 17,
"note_rate_per_s": 0.531,
"hummability_proxy_percent": 0.9286,
"measured_bpm": 143.55,
"bpm_rel_error": 0.1963,
"key_window_agreement": 0.625,
"baked_fade_out": false
},
{
"artifact_id": "JOURNEY_WORLD_A1_C2_STR45",
"arm": "arm1_authored_head_cell",
"op": "cover",
"engine_profile": "xl_sft",
"carrier": "oboe",
"keyscale": "D major",
"target_bpm": 120,
"held_until_s": null,
"lego_track": null,
"audio_cover_strength": 0.45,
"audio": "build/audio/generated/journey_world_ab/JOURNEY_WORLD_A1_C2_STR45.wav",
"melodic_salience": 0.5277,
"motif_3gram_jaccard": 0.0,
"motif_4gram_jaccard": 0.0,
"head_figure_present_exact": false,
"head_figure_present_tol1": false,
"head_mirror_present_tol1": false,
"leap_delivered": false,
"licensed_leap_delivered": false,
"widest_rising_interval": 5,
"n_wide_intervals": 0,
"register_match_cosine": 0.689,
"seam_clean": true,
"seam_ratio": 1.093,
"note_count": 18,
"note_rate_per_s": 0.562,
"hummability_proxy_percent": 0.5714,
"measured_bpm": 107.67,
"bpm_rel_error": 0.1028,
"key_window_agreement": 0.5,
"baked_fade_out": false
},
{
"artifact_id": "JOURNEY_WORLD_A1_L1_STRINGS",
"arm": "arm1_authored_head_cell",
"op": "lego",
"engine_profile": "base_no_planner",
"carrier": "horn",
"keyscale": "D major",
"target_bpm": 120,
"held_until_s": null,
"lego_track": "strings",
"audio_cover_strength": null,
"audio": "build/audio/generated/journey_world_ab/JOURNEY_WORLD_A1_L1_STRINGS.wav",
"melodic_salience": 0.3864,
"motif_3gram_jaccard": 0.0,
"motif_4gram_jaccard": 0.0,
"head_figure_present_exact": false,
"head_figure_present_tol1": false,
"head_mirror_present_tol1": false,
"leap_delivered": false,
"licensed_leap_delivered": false,
"widest_rising_interval": 5,
"n_wide_intervals": 0,
"register_match_cosine": 0.653,
"seam_clean": true,
"seam_ratio": 1.338,
"note_count": 16,
"note_rate_per_s": 0.5,
"hummability_proxy_percent": 0.6875,
"measured_bpm": 143.55,
"bpm_rel_error": 0.1963,
"key_window_agreement": 0.5,
"baked_fade_out": false
},
{
"artifact_id": "JOURNEY_WORLD_A1_L2_WOODWINDS",
"arm": "arm1_authored_head_cell",
"op": "lego",
"engine_profile": "base_no_planner",
"carrier": "horn",
"keyscale": "D major",
"target_bpm": 120,
"held_until_s": null,
"lego_track": "woodwinds",
"audio_cover_strength": null,
"audio": "build/audio/generated/journey_world_ab/JOURNEY_WORLD_A1_L2_WOODWINDS.wav",
"melodic_salience": 0.3892,
"motif_3gram_jaccard": 0.0,
"motif_4gram_jaccard": 0.0,
"head_figure_present_exact": false,
"head_figure_present_tol1": false,
"head_mirror_present_tol1": false,
"leap_delivered": false,
"licensed_leap_delivered": false,
"widest_rising_interval": 7,
"n_wide_intervals": 0,
"register_match_cosine": 0.6897,
"seam_clean": true,
"seam_ratio": 1.486,
"note_count": 14,
"note_rate_per_s": 0.438,
"hummability_proxy_percent": 0.5625,
"measured_bpm": 152.0,
"bpm_rel_error": 0.2667,
"key_window_agreement": 0.375,
"baked_fade_out": false
},
{
"artifact_id": "JOURNEY_WORLD_A1_L3_BRASS",
"arm": "arm1_authored_head_cell",
"op": "lego",
"engine_profile": "base_no_planner",
"carrier": "horn",
"keyscale": "D major",
"target_bpm": 120,
"held_until_s": null,
"lego_track": "brass",
"audio_cover_strength": null,
"audio": "build/audio/generated/journey_world_ab/JOURNEY_WORLD_A1_L3_BRASS.wav",
"melodic_salience": 0.4524,
"motif_3gram_jaccard": 0.0,
"motif_4gram_jaccard": 0.0,
"head_figure_present_exact": false,
"head_figure_present_tol1": false,
"head_mirror_present_tol1": false,
"leap_delivered": false,
"licensed_leap_delivered": false,
"widest_rising_interval": 3,
"n_wide_intervals": 0,
"register_match_cosine": 0.6781,
"seam_clean": false,
"seam_ratio": 2.232,
"note_count": 15,
"note_rate_per_s": 0.469,
"hummability_proxy_percent": 0.8125,
"measured_bpm": 107.67,
"bpm_rel_error": 0.1028,
"key_window_agreement": 0.25,
"baked_fade_out": false
},
{
"artifact_id": "JOURNEY_WORLD_A1_R1_HOLD24",
"arm": "arm1_authored_head_cell",
"op": "repaint",
"engine_profile": "xl_sft",
"carrier": "horn",
"keyscale": "D major",
"target_bpm": 120,
"held_until_s": 24.0,
"lego_track": null,
"audio_cover_strength": null,
"audio": "build/audio/generated/journey_world_ab/JOURNEY_WORLD_A1_R1_HOLD24.wav",
"melodic_salience": 1.0,
"motif_3gram_jaccard": 0.8571,
"motif_4gram_jaccard": 0.8095,
"head_figure_present_exact": true,
"head_figure_present_tol1": true,
"head_mirror_present_tol1": true,
"leap_delivered": true,
"licensed_leap_delivered": true,
"widest_rising_interval": 9,
"n_wide_intervals": 4,
"register_match_cosine": 0.8916,
"seam_clean": false,
"seam_ratio": 29.49,
"note_count": 28,
"note_rate_per_s": 0.875,
"hummability_proxy_percent": 0.4375,
"measured_bpm": 117.45,
"bpm_rel_error": 0.0212,
"key_window_agreement": 0.125,
"baked_fade_out": false,
"held_region_correlation": 1.0,
"held_region_residual": 0.01189,
"held_substantially": true,
"generated_region": {
"start_s": 24.0,
"duration_s": 8.0,
"melodic_salience": 0.0,
"note_count": 2,
"motif_3gram_jaccard": 0.0,
"motif_4gram_jaccard": 0.0,
"head_figure_present_tol1": false,
"head_mirror_present_tol1": false,
"leap_delivered": false,
"licensed_leap_delivered": false,
"widest_rising_interval": -1,
"_reading": "this block is the MODEL's own contribution, with the held region excluded. It is what decides whether the arrangement is composition or splice."
}
},
{
"artifact_id": "JOURNEY_WORLD_A1_R2_HOLD16",
"arm": "arm1_authored_head_cell",
"op": "repaint",
"engine_profile": "xl_sft",
"carrier": "horn",
"keyscale": "D major",
"target_bpm": 120,
"held_until_s": 16.0,
"lego_track": null,
"audio_cover_strength": null,
"audio": "build/audio/generated/journey_world_ab/JOURNEY_WORLD_A1_R2_HOLD16.wav",
"melodic_salience": 0.9753,
"motif_3gram_jaccard": 0.6923,
"motif_4gram_jaccard": 0.68,
"head_figure_present_exact": true,
"head_figure_present_tol1": true,
"head_mirror_present_tol1": true,
"leap_delivered": true,
"licensed_leap_delivered": true,
"widest_rising_interval": 9,
"n_wide_intervals": 3,
"register_match_cosine": 0.915,
"seam_clean": false,
"seam_ratio": 11.836,
"note_count": 29,
"note_rate_per_s": 0.906,
"hummability_proxy_percent": 0.4375,
"measured_bpm": 117.45,
"bpm_rel_error": 0.0212,
"key_window_agreement": 0.125,
"baked_fade_out": false,
"held_region_correlation": 1.0,
"held_region_residual": 0.01186,
"held_substantially": true,
"generated_region": {
"start_s": 16.0,
"duration_s": 16.0,
"melodic_salience": 0.4332,
"note_count": 7,
"motif_3gram_jaccard": 0.0,
"motif_4gram_jaccard": 0.0,
"head_figure_present_tol1": false,
"head_mirror_present_tol1": false,
"leap_delivered": false,
"licensed_leap_delivered": false,
"widest_rising_interval": 2,
"_reading": "this block is the MODEL's own contribution, with the held region excluded. It is what decides whether the arrangement is composition or splice."
}
},
{
"artifact_id": "JOURNEY_WORLD_A1_R3_HOLD16",
"arm": "arm1_authored_head_cell",
"op": "repaint",
"engine_profile": "xl_sft",
"carrier": "oboe",
"keyscale": "D major",
"target_bpm": 120,
"held_until_s": 16.0,
"lego_track": null,
"audio_cover_strength": null,
"audio": "build/audio/generated/journey_world_ab/JOURNEY_WORLD_A1_R3_HOLD16.wav",
"melodic_salience": 0.9679,
"motif_3gram_jaccard": 0.8571,
"motif_4gram_jaccard": 0.85,
"head_figure_present_exact": true,
"head_figure_present_tol1": true,
"head_mirror_present_tol1": true,
"leap_delivered": true,
"licensed_leap_delivered": true,
"widest_rising_interval": 9,
"n_wide_intervals": 3,
"register_match_cosine": 0.9051,
"seam_clean": false,
"seam_ratio": 14.681,
"note_count": 24,
"note_rate_per_s": 0.75,
"hummability_proxy_percent": 0.625,
"measured_bpm": 123.05,
"bpm_rel_error": 0.0254,
"key_window_agreement": 0.25,
"baked_fade_out": false,
"held_region_correlation": 1.0,
"held_region_residual": 0.01186,
"held_substantially": true,
"generated_region": {
"start_s": 16.0,
"duration_s": 16.0,
"melodic_salience": 0.0,
"note_count": 3,
"motif_3gram_jaccard": 0.0,
"motif_4gram_jaccard": 0.0,
"head_figure_present_tol1": false,
"head_mirror_present_tol1": false,
"leap_delivered": false,
"licensed_leap_delivered": false,
"widest_rising_interval": 2,
"_reading": "this block is the MODEL's own contribution, with the held region excluded. It is what decides whether the arrangement is composition or splice."
}
},
{
"artifact_id": "JOURNEY_WORLD_A1_R4_HOLD08",
"arm": "arm1_authored_head_cell",
"op": "repaint",
"engine_profile": "xl_sft",
"carrier": "cello",
"keyscale": "D major",
"target_bpm": 120,
"held_until_s": 8.0,
"lego_track": null,
"audio_cover_strength": null,
"audio": "build/audio/generated/journey_world_ab/JOURNEY_WORLD_A1_R4_HOLD08.wav",
"melodic_salience": 0.7423,
"motif_3gram_jaccard": 0.1538,
"motif_4gram_jaccard": 0.12,
"head_figure_present_exact": true,
"head_figure_present_tol1": true,
"head_mirror_present_tol1": true,
"leap_delivered": true,
"licensed_leap_delivered": true,
"widest_rising_interval": 9,
"n_wide_intervals": 3,
"register_match_cosine": 0.9437,
"seam_clean": false,
"seam_ratio": 9.106,
"note_count": 15,
"note_rate_per_s": 0.469,
"hummability_proxy_percent": 0.5625,
"measured_bpm": 123.05,
"bpm_rel_error": 0.0254,
"key_window_agreement": 0.25,
"baked_fade_out": false,
"held_region_correlation": 1.0,
"held_region_residual": 0.01188,
"held_substantially": true,
"generated_region": {
"start_s": 8.0,
"duration_s": 24.0,
"melodic_salience": 0.3628,
"note_count": 9,
"motif_3gram_jaccard": 0.0,
"motif_4gram_jaccard": 0.0,
"head_figure_present_tol1": false,
"head_mirror_present_tol1": false,
"leap_delivered": false,
"licensed_leap_delivered": false,
"widest_rising_interval": 6,
"_reading": "this block is the MODEL's own contribution, with the held region excluded. It is what decides whether the arrangement is composition or splice."
}
}
]
},
"arm2": {
"summary": {
"n": 16,
"melodic_salience": {
"median": 0.4398,
"mean": 0.4232,
"best": 0.5379
},
"motif_3gram_jaccard": {
"median": 0.0,
"mean": 0.0024,
"best": 0.0385
},
"motif_4gram_jaccard": {
"median": 0.0,
"mean": 0.0,
"best": 0.0
},
"register_match_cosine": {
"median": 0.7035,
"mean": 0.6994,
"best": 0.7488
},
"hummability_proxy_percent": {
"median": 0.634,
"best": 0.875
},
"note_count": {
"median": 15.5,
"best": 23.0
},
"leap_delivered_count": 2,
"leap_delivered_rate": 0.125,
"licensed_leap_delivered_count": 2,
"head_figure_exact_count": 0,
"head_figure_tol1_count": 0,
"head_mirror_tol1_count": 0,
"seam_clean_count": 10
},
"rows": [
{
"artifact_id": "JOURNEY_WORLD_A2_P01",
"arm": "arm2_scaled_prompt_ladder",
"op": "text2music",
"engine_profile": "xl_sft",
"carrier": "horn",
"keyscale": "D major",
"target_bpm": 112,
"held_until_s": null,
"lego_track": null,
"audio_cover_strength": null,
"audio": "build/audio/generated/journey_world_ab/JOURNEY_WORLD_A2_P01.wav",
"melodic_salience": 0.4345,
"motif_3gram_jaccard": 0.0,
"motif_4gram_jaccard": 0.0,
"head_figure_present_exact": false,
"head_figure_present_tol1": false,
"head_mirror_present_tol1": false,
"leap_delivered": false,
"licensed_leap_delivered": false,
"widest_rising_interval": 1,
"n_wide_intervals": 0,
"register_match_cosine": 0.7082,
"seam_clean": true,
"seam_ratio": 0.852,
"note_count": 15,
"note_rate_per_s": 0.469,
"hummability_proxy_percent": 0.7857,
"measured_bpm": 107.67,
"bpm_rel_error": 0.0387,
"key_window_agreement": 0.125,
"baked_fade_out": false
},
{
"artifact_id": "JOURNEY_WORLD_A2_P02",
"arm": "arm2_scaled_prompt_ladder",
"op": "text2music",
"engine_profile": "xl_sft",
"carrier": "horn",
"keyscale": "D major",
"target_bpm": 120,
"held_until_s": null,
"lego_track": null,
"audio_cover_strength": null,
"audio": "build/audio/generated/journey_world_ab/JOURNEY_WORLD_A2_P02.wav",
"melodic_salience": 0.5379,
"motif_3gram_jaccard": 0.0,
"motif_4gram_jaccard": 0.0,
"head_figure_present_exact": false,
"head_figure_present_tol1": false,
"head_mirror_present_tol1": false,
"leap_delivered": false,
"licensed_leap_delivered": false,
"widest_rising_interval": 5,
"n_wide_intervals": 0,
"register_match_cosine": 0.6646,
"seam_clean": true,
"seam_ratio": 0.537,
"note_count": 21,
"note_rate_per_s": 0.656,
"hummability_proxy_percent": 0.8125,
"measured_bpm": 123.05,
"bpm_rel_error": 0.0254,
"key_window_agreement": 0.625,
"baked_fade_out": false
},
{
"artifact_id": "JOURNEY_WORLD_A2_P03",
"arm": "arm2_scaled_prompt_ladder",
"op": "text2music",
"engine_profile": "xl_sft",
"carrier": "horn",
"keyscale": "B-flat major",
"target_bpm": 112,
"held_until_s": null,
"lego_track": null,
"audio_cover_strength": null,
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"motif_3gram_jaccard": 0.0,
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"leap_delivered": false,
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"n_wide_intervals": 0,
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"baked_fade_out": false
},
{
"artifact_id": "JOURNEY_WORLD_A2_P04",
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"audio": "build/audio/generated/journey_world_ab/JOURNEY_WORLD_A2_P04.wav",
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"leap_delivered": false,
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"widest_rising_interval": 5,
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"register_match_cosine": 0.6692,
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"seam_ratio": 1.685,
"note_count": 19,
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"hummability_proxy_percent": 0.5714,
"measured_bpm": 112.35,
"bpm_rel_error": 0.0638,
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},
{
"artifact_id": "JOURNEY_WORLD_A2_P05",
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"audio": "build/audio/generated/journey_world_ab/JOURNEY_WORLD_A2_P05.wav",
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"measured_bpm": 123.05,
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},
{
"artifact_id": "JOURNEY_WORLD_A2_P06",
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"audio": "build/audio/generated/journey_world_ab/JOURNEY_WORLD_A2_P06.wav",
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"leap_delivered": false,
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"widest_rising_interval": 1,
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"hummability_proxy_percent": 0.7857,
"measured_bpm": 136.0,
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"key_window_agreement": 0.25,
"baked_fade_out": false
},
{
"artifact_id": "JOURNEY_WORLD_A2_P07",
"arm": "arm2_scaled_prompt_ladder",
"op": "text2music",
"engine_profile": "xl_sft",
"carrier": "oboe",
"keyscale": "B-flat major",
"target_bpm": 112,
"held_until_s": null,
"lego_track": null,
"audio_cover_strength": null,
"audio": "build/audio/generated/journey_world_ab/JOURNEY_WORLD_A2_P07.wav",
"melodic_salience": 0.494,
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"leap_delivered": false,
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"widest_rising_interval": 5,
"n_wide_intervals": 0,
"register_match_cosine": 0.7052,
"seam_clean": false,
"seam_ratio": 4.037,
"note_count": 19,
"note_rate_per_s": 0.594,
"hummability_proxy_percent": 0.8125,
"measured_bpm": 129.2,
"bpm_rel_error": 0.1536,
"key_window_agreement": 0.5,
"baked_fade_out": false
},
{
"artifact_id": "JOURNEY_WORLD_A2_P08",
"arm": "arm2_scaled_prompt_ladder",
"op": "text2music",
"engine_profile": "xl_sft",
"carrier": "oboe",
"keyscale": "B-flat major",
"target_bpm": 120,
"held_until_s": null,
"lego_track": null,
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"audio": "build/audio/generated/journey_world_ab/JOURNEY_WORLD_A2_P08.wav",
"melodic_salience": 0.3849,
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"widest_rising_interval": 2,
"n_wide_intervals": 0,
"register_match_cosine": 0.6918,
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"seam_ratio": 0.899,
"note_count": 14,
"note_rate_per_s": 0.438,
"hummability_proxy_percent": 0.5714,
"measured_bpm": 129.2,
"bpm_rel_error": 0.0767,
"key_window_agreement": 0.25,
"baked_fade_out": false
},
{
"artifact_id": "JOURNEY_WORLD_A2_P09",
"arm": "arm2_scaled_prompt_ladder",
"op": "text2music",
"engine_profile": "xl_sft",
"carrier": "cello",
"keyscale": "D major",
"target_bpm": 112,
"held_until_s": null,
"lego_track": null,
"audio_cover_strength": null,
"audio": "build/audio/generated/journey_world_ab/JOURNEY_WORLD_A2_P09.wav",
"melodic_salience": 0.4032,
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"leap_delivered": true,
"licensed_leap_delivered": true,
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"note_count": 16,
"note_rate_per_s": 0.5,
"hummability_proxy_percent": 0.625,
"measured_bpm": 107.67,
"bpm_rel_error": 0.0387,
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"baked_fade_out": false
},
{
"artifact_id": "JOURNEY_WORLD_A2_P10",
"arm": "arm2_scaled_prompt_ladder",
"op": "text2music",
"engine_profile": "xl_sft",
"carrier": "cello",
"keyscale": "D major",
"target_bpm": 120,
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"audio": "build/audio/generated/journey_world_ab/JOURNEY_WORLD_A2_P10.wav",
"melodic_salience": 0.4479,
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"leap_delivered": true,
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"widest_rising_interval": 9,
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"seam_ratio": 2.739,
"note_count": 18,
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},
{
"artifact_id": "JOURNEY_WORLD_A2_P11",
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"carrier": "cello",
"keyscale": "B-flat major",
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"held_until_s": null,
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"melodic_salience": 0.3182,
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"note_rate_per_s": 0.375,
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},
{
"artifact_id": "JOURNEY_WORLD_A2_P12",
"arm": "arm2_scaled_prompt_ladder",
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"carrier": "cello",
"keyscale": "B-flat major",
"target_bpm": 120,
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"melodic_salience": 0.3243,
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"widest_rising_interval": 5,
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"seam_ratio": 1.26,
"note_count": 12,
"note_rate_per_s": 0.375,
"hummability_proxy_percent": 0.5,
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"bpm_rel_error": 0.1028,
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"baked_fade_out": false
},
{
"artifact_id": "JOURNEY_WORLD_A2_P13",
"arm": "arm2_scaled_prompt_ladder",
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"engine_profile": "xl_sft",
"carrier": "flute",
"keyscale": "D major",
"target_bpm": 112,
"held_until_s": null,
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"audio": "build/audio/generated/journey_world_ab/JOURNEY_WORLD_A2_P13.wav",
"melodic_salience": 0.4565,
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"leap_delivered": false,
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"widest_rising_interval": 1,
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"register_match_cosine": 0.707,
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"seam_ratio": 1.265,
"note_count": 19,
"note_rate_per_s": 0.594,
"hummability_proxy_percent": 0.6429,
"measured_bpm": 112.35,
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"baked_fade_out": false
},
{
"artifact_id": "JOURNEY_WORLD_A2_P14",
"arm": "arm2_scaled_prompt_ladder",
"op": "text2music",
"engine_profile": "xl_sft",
"carrier": "flute",
"keyscale": "D major",
"target_bpm": 120,
"held_until_s": null,
"lego_track": null,
"audio_cover_strength": null,
"audio": "build/audio/generated/journey_world_ab/JOURNEY_WORLD_A2_P14.wav",
"melodic_salience": 0.4883,
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"leap_delivered": false,
"licensed_leap_delivered": false,
"widest_rising_interval": 6,
"n_wide_intervals": 0,
"register_match_cosine": 0.6508,
"seam_clean": true,
"seam_ratio": 0.8,
"note_count": 23,
"note_rate_per_s": 0.719,
"hummability_proxy_percent": 0.625,
"measured_bpm": 117.45,
"bpm_rel_error": 0.0212,
"key_window_agreement": 0.25,
"baked_fade_out": false
},
{
"artifact_id": "JOURNEY_WORLD_A2_P15",
"arm": "arm2_scaled_prompt_ladder",
"op": "text2music",
"engine_profile": "xl_sft",
"carrier": "flute",
"keyscale": "B-flat major",
"target_bpm": 112,
"held_until_s": null,
"lego_track": null,
"audio_cover_strength": null,
"audio": "build/audio/generated/journey_world_ab/JOURNEY_WORLD_A2_P15.wav",
"melodic_salience": 0.38,
"motif_3gram_jaccard": 0.0,
"motif_4gram_jaccard": 0.0,
"head_figure_present_exact": false,
"head_figure_present_tol1": false,
"head_mirror_present_tol1": false,
"leap_delivered": false,
"licensed_leap_delivered": false,
"widest_rising_interval": 6,
"n_wide_intervals": 0,
"register_match_cosine": 0.6731,
"seam_clean": true,
"seam_ratio": 0.445,
"note_count": 13,
"note_rate_per_s": 0.406,
"hummability_proxy_percent": 0.875,
"measured_bpm": 136.0,
"bpm_rel_error": 0.2143,
"key_window_agreement": 0.25,
"baked_fade_out": false
},
{
"artifact_id": "JOURNEY_WORLD_A2_P16",
"arm": "arm2_scaled_prompt_ladder",
"op": "text2music",
"engine_profile": "xl_sft",
"carrier": "flute",
"keyscale": "B-flat major",
"target_bpm": 120,
"held_until_s": null,
"lego_track": null,
"audio_cover_strength": null,
"audio": "build/audio/generated/journey_world_ab/JOURNEY_WORLD_A2_P16.wav",
"melodic_salience": 0.4451,
"motif_3gram_jaccard": 0.0,
"motif_4gram_jaccard": 0.0,
"head_figure_present_exact": false,
"head_figure_present_tol1": false,
"head_mirror_present_tol1": false,
"leap_delivered": false,
"licensed_leap_delivered": false,
"widest_rising_interval": 6,
"n_wide_intervals": 0,
"register_match_cosine": 0.7145,
"seam_clean": false,
"seam_ratio": 2.212,
"note_count": 15,
"note_rate_per_s": 0.469,
"hummability_proxy_percent": 0.625,
"measured_bpm": 136.0,
"bpm_rel_error": 0.1333,
"key_window_agreement": 0.25,
"baked_fade_out": false
}
]
},
"verdict": {
"outcome": "ARM 1",
"register_hold_condition": {
"floor": 0.7035,
"arm1_median": 0.7392,
"arm2_median": 0.7035,
"arm1_holds": true,
"floor_source": "arm 2's own median register match -- the control's register is the floor arm 1 has to hold, so the comparison cannot be won by drifting out of the brief's instrumentation card"
},
"arm1_wins_on": [
"melodic salience (median): arm1 0.5277 vs arm2 0.4398",
"note count (median): arm1 17.0 vs arm2 15.5",
"leap_delivered_rate: arm1 0.4444 vs arm2 0.125",
"head_figure_tol1_count: arm1 4 vs arm2 0",
"licensed_leap_delivered_count: arm1 4 vs arm2 2"
],
"arm1_loses_on": [
"motif 3-gram fidelity (median): arm1 0.0 vs arm2 0.0",
"motif 4-gram fidelity (median): arm1 0.0 vs arm2 0.0"
]
},
"missing": []
}