music/exemplars/formula_cards/UNMATCHED__121_Got_an_Accessory.json
{
"schema": "formula-card/v1",
"consumer": "docs/proposals/music/MASTERPIECE_PROGRAM.md rung 2 (the archetype synthesis -> MASTERPIECE_STANDARD.md)",
"tier": "RUNG-1 MEASURED",
"legal_posture": "ANALYSIS FOR UNDERSTANDING ONLY. Audio lawfully obtained by Josh, read from disk, measured, and never copied, redistributed, or used as model input of any kind.",
"track_id": "UNMATCHED__121_Got_an_Accessory",
"title": null,
"game": null,
"composer": null,
"purpose_class": null,
"source_path": "D:\\audio\\exemplars\\iTunes_Sweep\\Compilations\\Pokémon Diamond & Pokémon Pearl_ Super M\\121 Got an Accessory.m4a",
"sha256": "2274ca7f68c2447588e8a155271e742d0a59b914cc3862f3745c2bcda23b3a08",
"bytes": 664452,
"source_format": "mov,mp4,m4a,3gp,3g2,mj2",
"source_codec": "aac",
"source_sample_rate_hz": 44100,
"source_channels": 2,
"lossless_source": false,
"analysis_sample_rate_hz": 22050,
"decoder": "ffmpeg.exe :: ffmpeg version 9.0-full_build-www.gyan.dev Copyright (c) 2000-2026 the FFmpeg developers",
"measured_at": "2026-08-07T02:58:53+00:00",
"format_induced_limit": "lossy source (aac); high-band timbre figures carry codec artefacts and the card declares it",
"control": {
"controls_passed": 24,
"controls_total": 24,
"ran_at": "2026-08-06T20:41:42+00:00",
"ffmpeg_version": "ffmpeg version 9.0-full_build-www.gyan.dev Copyright (c) 2000-2026 the FFmpeg developers",
"note": "This measurement is admissible only because the positive control recovered its planted answers in the same process, immediately before it."
},
"card": {
"duration_and_structure": {
"total_length_s": 4.573,
"section_boundaries_s": [
0.0,
1.254,
4.573
],
"section_count": 2,
"repeat_map": [
{
"section": 0,
"most_like_section": null,
"similarity": 0.0,
"is_repeat": false
},
{
"section": 1,
"most_like_section": 0,
"similarity": 0.8081,
"is_repeat": false
}
],
"novelty_peak_strength": [
1.0
],
"method": "checkerboard-kernel novelty over a chroma+MFCC self-similarity matrix"
},
"tempo_and_time_grammar": {
"tempo_function": {
"baseline_bpm": 258.4,
"curve_times_s": [
0.0,
0.37,
0.74,
1.11,
1.49,
1.86,
2.23,
2.6,
2.97,
3.34,
3.72,
4.09,
4.46
],
"curve_bpm": [
258.4,
258.4,
258.4,
258.4,
258.4,
258.4,
258.4,
258.4,
258.4,
136.0,
136.0,
136.0,
258.4
],
"adjustment_events": [
{
"position_s": 2.3,
"duration_s": 2.25,
"delta_bpm": -84.56,
"shape": "ramp"
}
],
"dispersion_bpm": 53.951,
"rubato_depth_bpm": 122.399
},
"global_bpm": 136.0,
"octave_ambiguity_note": "Beat trackers pick a metrical level, and half/double-time readings are a real and known property, not an error -- the rig's own control plants 120 bpm and this estimator returns 60. Every bar figure on this card (time-to-hook in bars, the complexity index's bar length) inherits whichever level was picked, so compare bar counts within a card, never across cards, until rung 2 pins the metrical level per class.",
"windowed_tempo_stability": {
"tempo_bpm_global": 136.0,
"tempo_bpm_median_local": 136.0,
"tempo_iqr_bpm": 6.8,
"tempo_stability": 0.8,
"beat_interval_cv": 0.0256
},
"dominant_onset_period_s": 0.2322,
"dominant_onset_period_bpm": 258.4,
"metre": {
"assumed": "4/4",
"measured": null,
"note": "Bar arithmetic on this card uses 4 beats per bar at the baseline tempo. The onset period beside it is MEASURED; the signature is not."
},
"groove": {
"swing_ratio": 0.878,
"onset_rate_per_s": 10.712
}
},
"tonality": {
"key": "F",
"mode": "major",
"windowed_key_agreement": 1.0,
"modulation_note": "Windowed key agreement below ~0.7 is the modulation signal at rung 1; a pivot-chord map needs symbolic transcription (rung 2)."
},
"the_hook": {
"available": true,
"onset_s": 0.406,
"onset_bars": 0.44,
"pitch_contour": "-UDD-",
"interval_vocabulary_semitones": [
0,
12,
26,
31
],
"intervals": [
-0.33,
31.33,
-26.0,
-12.0,
-0.33
],
"range_semitones": 38.33,
"distinctive_deviation": {
"largest_interval_semitones": 31.33,
"at_note_index": 2,
"is_licensed_leap": true
}
},
"motif_economy": {
"self_similarity_peak": 0.8737,
"self_similarity_baseline": 0.8033,
"self_similarity_lift": 0.0703,
"recurrence_lag_s": 0.464,
"interval_3gram_repetition": 0.0,
"interval_4gram_repetition": 0.0
},
"lane_analysis": {
"method": "spectral_band_proxy",
"confidence": "LOW-FOR-ROSTER, USABLE-FOR-ARRANGEMENT",
"method_note": "Section 11.1 requires the lane method be declared. Bands are not instruments: two instruments in one octave read as one lane, and one instrument spanning two octaves reads as two. Entry/exit and simultaneity shapes are trustworthy; a roster is not claimed.",
"lane_roster_bands": [
"sub",
"low_bass",
"bass",
"low_mid",
"mid",
"upper_mid",
"presence",
"brilliance",
"air",
"ultra"
],
"entry_exit_map": [
{
"lane": "sub",
"band_hz": [
20,
45
],
"entry_s": 0.348,
"exit_s": 1.927,
"active_fraction": 0.3503,
"segments": [
[
0.348,
1.927
]
]
},
{
"lane": "low_bass",
"band_hz": [
45,
90
],
"entry_s": 1.672,
"exit_s": 2.392,
"active_fraction": 0.1827,
"segments": [
[
1.672,
2.392
]
]
},
{
"lane": "bass",
"band_hz": [
90,
180
],
"entry_s": 0.348,
"exit_s": 2.368,
"active_fraction": 0.4467,
"segments": [
[
0.348,
2.368
]
]
},
{
"lane": "low_mid",
"band_hz": [
180,
355
],
"entry_s": 0.348,
"exit_s": 2.624,
"active_fraction": 0.5025,
"segments": [
[
0.348,
2.624
]
]
},
{
"lane": "mid",
"band_hz": [
355,
710
],
"entry_s": 0.348,
"exit_s": 2.159,
"active_fraction": 0.401,
"segments": [
[
0.348,
2.159
]
]
},
{
"lane": "upper_mid",
"band_hz": [
710,
1400
],
"entry_s": 0.348,
"exit_s": 2.09,
"active_fraction": 0.3858,
"segments": [
[
0.348,
2.09
]
]
},
{
"lane": "presence",
"band_hz": [
1400,
2800
],
"entry_s": 0.325,
"exit_s": 2.159,
"active_fraction": 0.4061,
"segments": [
[
0.325,
2.159
]
]
},
{
"lane": "brilliance",
"band_hz": [
2800,
5600
],
"entry_s": 0.325,
"exit_s": 2.067,
"active_fraction": 0.3858,
"segments": [
[
0.325,
2.067
]
]
},
{
"lane": "air",
"band_hz": [
5600,
11200
],
"entry_s": 0.325,
"exit_s": 2.02,
"active_fraction": 0.3756,
"segments": [
[
0.325,
2.02
]
]
}
],
"interlap_matrix": {
"sub|low_bass": 0.1798,
"sub|bass": 0.7841,
"sub|low_mid": 0.697,
"sub|mid": 0.8734,
"sub|upper_mid": 0.9079,
"sub|presence": 0.8625,
"sub|brilliance": 0.9079,
"sub|air": 0.9324,
"low_bass|bass": 0.3933,
"low_bass|low_mid": 0.3636,
"low_bass|mid": 0.2921,
"low_bass|upper_mid": 0.2584,
"low_bass|presence": 0.2889,
"low_bass|brilliance": 0.2444,
"low_bass|air": 0.2222,
"bass|low_mid": 0.8889,
"bass|mid": 0.8977,
"bass|upper_mid": 0.8636,
"bass|presence": 0.8876,
"bass|brilliance": 0.8427,
"bass|air": 0.8202,
"low_mid|mid": 0.798,
"low_mid|upper_mid": 0.7677,
"low_mid|presence": 0.79,
"low_mid|brilliance": 0.75,
"low_mid|air": 0.73,
"mid|upper_mid": 0.962,
"mid|presence": 0.9875,
"mid|brilliance": 0.9375,
"mid|air": 0.9125,
"upper_mid|presence": 0.95,
"upper_mid|brilliance": 0.974,
"upper_mid|air": 0.9481,
"presence|brilliance": 0.95,
"presence|air": 0.925,
"brilliance|air": 0.9737
},
"simultaneity_curve": {
"times_s": [
0.0,
0.186,
0.372,
0.557,
0.743,
0.929,
1.115,
1.3,
1.486,
1.672,
1.858,
2.043,
2.229,
2.415,
2.601,
2.786,
2.972,
3.158,
3.344,
3.529,
3.715,
3.901,
4.087,
4.272,
4.458
],
"lanes": [
0,
0,
8,
8,
8,
8,
8,
8,
8,
9,
9,
7,
3,
1,
1,
0,
0,
0,
0,
0,
0,
0,
0,
0,
0
],
"max": 9,
"mean": 3.437
},
"register_spacing_octaves": [
1.085,
1.0,
0.99,
0.99,
0.99,
0.99,
1.0,
1.0
]
},
"event_grammar": {
"drops": [
{
"position": 0.396,
"at_s": 1.811,
"db_delta": -7.91,
"lanes_removed": 2.57,
"bars_held_s": 2.159,
"re_enters_at_s": 3.971
},
{
"position": 0.66,
"at_s": 3.019,
"db_delta": -15.74,
"lanes_removed": 0.49,
"bars_held_s": 0.952,
"re_enters_at_s": 3.971
}
],
"raises": [
{
"position": 0.132,
"start_s": 0.604,
"end_s": 0.975,
"db_delta": 38.99,
"lanes_added": 4.65,
"slope_db_per_s": 104.943
}
],
"breaks": [
{
"position": 0.0,
"at_s": 0.0,
"duration_s": 0.302
},
{
"position": 0.6804,
"at_s": 3.111,
"duration_s": 1.44
}
],
"tuttis": [],
"silence_budget": {
"fraction": 0.3909,
"seconds": 1.788,
"threshold": "40 dB below the track's own p95 RMS",
"note": "Section 11.2 treats rest as a FIRST-CLASS parameter, not an absence."
},
"counts": {
"drops": 2,
"raises": 1,
"breaks": 2,
"tuttis": 0
}
},
"opening_and_flow_law": {
"onset_type": "cold_statement",
"first_sound_at_s": 0.325,
"time_to_hook_s": 0.406,
"time_to_hook_bars": 0.44,
"time_to_full_texture_s": 0.836,
"time_to_full_texture_bars": 0.9,
"flow_curve": {
"definition": "energy = 0.45*density + 0.35*lane-simultaneity + 0.20*register, each normalised to the track's own maximum (section 11.4)",
"times_s": [
0.0,
0.74,
1.49,
2.23,
2.97,
3.72,
4.46
],
"values": [
0.1426,
0.6643,
0.7079,
0.3171,
0.0725,
0.0597,
0.0814
],
"peak_position_normalised": 0.2296
}
},
"complexity_law": {
"available": true,
"bar_length_s": 0.9288,
"bars": 4,
"index_per_bar": [
0.7978,
1.0,
0.606,
0.0184
],
"definition": "lane count + 4*harmonic change rate + 0.6*onset strength + 0.4*register span, per bar, normalised to the track's own maximum (section 11.6)",
"step_map": [
{
"bar": 1,
"at_s": 0.93,
"delta": 0.202,
"at_section_boundary": true
},
{
"bar": 2,
"at_s": 1.86,
"delta": -0.394,
"at_section_boundary": true
},
{
"bar": 3,
"at_s": 2.79,
"delta": -0.588,
"at_section_boundary": false
}
],
"steps_at_section_boundaries": 2,
"steps_total": 3,
"boundary_step_share": 0.667,
"hypothesis_note": "Section 11.6 expects masterpieces to step complexity AT structural boundaries and hold it flat inside sections. This share is the measurement of that claim on this track; the corpus decides, not us."
},
"texture_and_density": {
"note_rate_per_s": 1.312,
"melodic_salience": 0.8902,
"voiced_fraction": 0.5381,
"note_count": 6,
"mean_lanes": 3.437,
"max_lanes": 9
},
"dynamics": {
"dynamic_range_db_p95_minus_p10": 68.33,
"peak_position_normalised": 0.2347,
"peak_at_s": 1.068,
"arc_curve_db": [
-26.63,
-35.24,
-21.74,
-34.99,
-54.07,
-71.13,
-45.02
],
"arc_times_s": [
0.0,
0.74,
1.49,
2.23,
2.97,
3.72,
4.46
]
},
"register": {
"melody_span_semitones": 38.33,
"melody_tessitura_midi": 47.83,
"bass_floor_band": {
"sub": 0.00017,
"low_bass": 0.02861,
"bass": 0.16171,
"low_mid": 0.01858,
"mid": 0.32729,
"upper_mid": 0.34437,
"presence": 0.09359,
"brilliance": 0.02034,
"air": 0.00462,
"ultra": 0.0
},
"octave_band_profile": {
"sub": 0.00017,
"low_bass": 0.02861,
"bass": 0.16171,
"low_mid": 0.01858,
"mid": 0.32729,
"upper_mid": 0.34437,
"presence": 0.09359,
"brilliance": 0.02034,
"air": 0.00462,
"ultra": 0.0
}
},
"cadence_and_ending": {
"loop_seam": {
"measurable": true,
"seam_distance": 0.37195,
"interior_distance_median": 0.21271,
"seam_ratio": 1.749,
"seam_clean": false,
"tail_rms_over_mid": 0.0022,
"head_rms_over_mid": 0.0015,
"tail_rms_trend": -0.8051,
"head_rms_trend": 0.6707,
"baked_fade_out": true,
"baked_fade_in": true
},
"ending": "baked_fade_out",
"cadence_census_note": "A cadence census needs harmonic transcription and is a rung-2 dimension; the seam measurement is what rung 1 can honestly report about how it ends."
},
"timbre": {
"spectral_centroid_hz_mean": 1147.5,
"spectral_centroid_curve_hz": [
443.1,
1701.8,
2095.5,
1191.7,
587.7,
659.0,
922.5
],
"spectral_rolloff85_hz_mean": 2049.0,
"spectral_flatness_mean": 0.01214,
"signature_colour": "dark"
}
}
}