music/exemplars/formula_cards/UNMATCHED__58_-_Ida_Race_Finish.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__58_-_Ida_Race_Finish",
"title": null,
"game": null,
"composer": null,
"purpose_class": null,
"source_path": "D:\\audio\\exemplars\\Okami Original Soundtrack Vol. 1\\Okami Original Soundtrack Vol. 1 [MP3]\\58 - Ida Race Finish.mp3",
"sha256": "0c57a76bf0f0ed7ea616ccf00d38068310e5627ece3f06259176548c164203c8",
"bytes": 447272,
"source_format": "mp3",
"source_codec": "mp3",
"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": "2026-08-06T22:37:17+00:00",
"format_induced_limit": "lossy source (mp3); 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": 7.893,
"section_boundaries_s": [
0.0,
0.65,
6.687,
7.893
],
"section_count": 3,
"repeat_map": [
{
"section": 0,
"most_like_section": null,
"similarity": 0.0,
"is_repeat": false
},
{
"section": 1,
"most_like_section": 0,
"similarity": 0.8324,
"is_repeat": false
},
{
"section": 2,
"most_like_section": 0,
"similarity": 0.9115,
"is_repeat": true
}
],
"novelty_peak_strength": [
0.4126,
1.0
],
"method": "checkerboard-kernel novelty over a chroma+MFCC self-similarity matrix"
},
"tempo_and_time_grammar": {
"tempo_function": {
"baseline_bpm": 184.57,
"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,
4.83,
5.2,
5.57,
5.94,
6.32,
6.69,
7.06,
7.43,
7.8
],
"curve_bpm": [
129.2,
129.2,
129.2,
129.2,
129.2,
129.2,
129.2,
129.2,
129.2,
136.0,
136.0,
184.57,
184.57,
184.57,
184.57,
234.91,
234.91,
234.91,
234.91,
234.91,
234.91,
287.11
],
"adjustment_events": [
{
"position_s": 0.0,
"duration_s": 4.41,
"delta_bpm": -54.27,
"shape": "ramp"
},
{
"position_s": 4.74,
"duration_s": 2.6,
"delta_bpm": 36.36,
"shape": "step"
}
],
"dispersion_bpm": 50.782,
"rubato_depth_bpm": 105.708
},
"global_bpm": 129.2,
"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": 129.2,
"tempo_bpm_median_local": 129.2,
"tempo_iqr_bpm": 14.36,
"tempo_stability": 0.5556,
"beat_interval_cv": 1.0
},
"dominant_onset_period_s": 0.4644,
"dominant_onset_period_bpm": 129.2,
"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": 0.4,
"onset_rate_per_s": 10.767
}
},
"tonality": {
"key": "B",
"mode": "minor",
"windowed_key_agreement": 0.0,
"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": 1.846,
"onset_bars": 1.42,
"pitch_contour": "UDU----",
"interval_vocabulary_semitones": [
0,
7,
11
],
"intervals": [
7.0,
-7.0,
10.67,
0.0,
-0.33,
0.33,
0.0
],
"range_semitones": 10.67,
"distinctive_deviation": {
"largest_interval_semitones": 10.67,
"at_note_index": 3,
"is_licensed_leap": true
}
},
"motif_economy": {
"self_similarity_peak": 0.8862,
"self_similarity_baseline": 0.733,
"self_similarity_lift": 0.1532,
"recurrence_lag_s": 0.464,
"interval_3gram_repetition": 0.2,
"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": 0.441,
"exit_s": 1.95,
"active_fraction": 0.1941,
"segments": [
[
0.441,
1.95
]
]
},
{
"lane": "low_bass",
"band_hz": [
45,
90
],
"entry_s": 0.418,
"exit_s": 1.858,
"active_fraction": 0.1853,
"segments": [
[
0.418,
1.858
]
]
},
{
"lane": "bass",
"band_hz": [
90,
180
],
"entry_s": 0.418,
"exit_s": 1.904,
"active_fraction": 0.1912,
"segments": [
[
0.418,
1.904
]
]
},
{
"lane": "low_mid",
"band_hz": [
180,
355
],
"entry_s": 0.418,
"exit_s": 2.392,
"active_fraction": 0.2529,
"segments": [
[
0.418,
2.392
]
]
},
{
"lane": "mid",
"band_hz": [
355,
710
],
"entry_s": 0.418,
"exit_s": 3.344,
"active_fraction": 0.3735,
"segments": [
[
0.418,
3.344
]
]
},
{
"lane": "upper_mid",
"band_hz": [
710,
1400
],
"entry_s": 0.418,
"exit_s": 2.81,
"active_fraction": 0.3059,
"segments": [
[
0.418,
2.81
]
]
},
{
"lane": "presence",
"band_hz": [
1400,
2800
],
"entry_s": 0.418,
"exit_s": 2.786,
"active_fraction": 0.3029,
"segments": [
[
0.418,
2.786
]
]
},
{
"lane": "brilliance",
"band_hz": [
2800,
5600
],
"entry_s": 0.418,
"exit_s": 2.694,
"active_fraction": 0.2912,
"segments": [
[
0.418,
2.694
]
]
},
{
"lane": "air",
"band_hz": [
5600,
11200
],
"entry_s": 0.418,
"exit_s": 2.299,
"active_fraction": 0.2412,
"segments": [
[
0.418,
2.299
]
]
}
],
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"sub|bass": 0.9552,
"sub|low_mid": 0.7674,
"sub|mid": 0.5197,
"sub|upper_mid": 0.6346,
"sub|presence": 0.6408,
"sub|brilliance": 0.6667,
"sub|air": 0.8049,
"low_bass|bass": 0.9692,
"low_bass|low_mid": 0.7326,
"low_bass|mid": 0.4961,
"low_bass|upper_mid": 0.6058,
"low_bass|presence": 0.6117,
"low_bass|brilliance": 0.6364,
"low_bass|air": 0.7683,
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"bass|mid": 0.5118,
"bass|upper_mid": 0.625,
"bass|presence": 0.6311,
"bass|brilliance": 0.6566,
"bass|air": 0.7927,
"low_mid|mid": 0.6772,
"low_mid|upper_mid": 0.8269,
"low_mid|presence": 0.835,
"low_mid|brilliance": 0.8687,
"low_mid|air": 0.9535,
"mid|upper_mid": 0.8189,
"mid|presence": 0.811,
"mid|brilliance": 0.7795,
"mid|air": 0.6457,
"upper_mid|presence": 0.9904,
"upper_mid|brilliance": 0.9519,
"upper_mid|air": 0.7885,
"presence|brilliance": 0.9612,
"presence|air": 0.7961,
"brilliance|air": 0.8283
},
"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,
4.644,
4.83,
5.016,
5.201,
5.387,
5.573,
5.759,
5.944,
6.13,
6.316,
6.502,
6.687,
6.873,
7.059,
7.245,
7.43,
7.616,
7.802
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"lanes": [
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9,
9,
9,
9,
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9,
9,
6,
6,
4,
4,
3,
1,
1,
1,
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],
"max": 9,
"mean": 2.338
},
"register_spacing_octaves": [
1.085,
1.0,
0.99,
0.99,
0.99,
0.99,
1.0,
1.0
]
},
"event_grammar": {
"drops": [
{
"position": 0.2295,
"at_s": 1.811,
"db_delta": -4.76,
"lanes_removed": 2.61,
"bars_held_s": 5.48,
"re_enters_at_s": 7.291
},
{
"position": 0.3824,
"at_s": 3.019,
"db_delta": -7.95,
"lanes_removed": 2.34,
"bars_held_s": 4.272,
"re_enters_at_s": 7.291
},
{
"position": 0.5354,
"at_s": 4.226,
"db_delta": -9.63,
"lanes_removed": -0.0,
"bars_held_s": 3.065,
"re_enters_at_s": 7.291
},
{
"position": 0.6884,
"at_s": 5.433,
"db_delta": -17.88,
"lanes_removed": -0.0,
"bars_held_s": 1.858,
"re_enters_at_s": 7.291
},
{
"position": 0.8413,
"at_s": 6.641,
"db_delta": -38.83,
"lanes_removed": -0.0,
"bars_held_s": 0.557,
"re_enters_at_s": 7.198
}
],
"raises": [
{
"position": 0.0765,
"start_s": 0.604,
"end_s": 1.416,
"db_delta": 97.58,
"lanes_added": 6.27,
"slope_db_per_s": 120.07
}
],
"breaks": [
{
"position": 0.0,
"at_s": 0.0,
"duration_s": 0.348
},
{
"position": 0.5501,
"at_s": 4.342,
"duration_s": 3.529
}
],
"tuttis": [
{
"position": 0.0706,
"at_s": 0.557,
"duration_s": 1.254,
"lanes": 9
}
],
"silence_budget": {
"fraction": 0.4971,
"seconds": 3.923,
"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": 5,
"raises": 1,
"breaks": 2,
"tuttis": 1
}
},
"opening_and_flow_law": {
"onset_type": "fade_in",
"first_sound_at_s": 0.395,
"time_to_hook_s": 1.846,
"time_to_hook_bars": 1.42,
"time_to_full_texture_s": 0.441,
"time_to_full_texture_bars": 0.34,
"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,
5.2,
5.94,
6.69,
7.43
],
"values": [
0.1072,
0.6587,
0.7284,
0.479,
0.1517,
0.0475,
0.0377,
0.035,
0.0676,
0.0,
0.0
],
"peak_position_normalised": 0.174
}
},
"complexity_law": {
"available": true,
"bar_length_s": 1.3003,
"bars": 6,
"index_per_bar": [
0.9817,
1.0,
0.288,
0.0463,
0.024,
0.0372
],
"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": 2,
"at_s": 2.6,
"delta": -0.712,
"at_section_boundary": false
},
{
"bar": 3,
"at_s": 3.9,
"delta": -0.242,
"at_section_boundary": false
}
],
"steps_at_section_boundaries": 0,
"steps_total": 2,
"boundary_step_share": 0.0,
"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": 1.014,
"melodic_salience": 0.5172,
"voiced_fraction": 0.1515,
"note_count": 8,
"mean_lanes": 2.338,
"max_lanes": 9
},
"dynamics": {
"dynamic_range_db_p95_minus_p10": 189.81,
"peak_position_normalised": 0.1504,
"peak_at_s": 1.184,
"arc_curve_db": [
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-54.45,
-11.23,
-19.5,
-31.88,
-42.0,
-52.67,
-66.7,
-116.1,
-178.01,
-160.0
],
"arc_times_s": [
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0.74,
1.49,
2.23,
2.97,
3.72,
4.46,
5.2,
5.94,
6.69,
7.43
]
},
"register": {
"melody_span_semitones": 10.67,
"melody_tessitura_midi": 74.5,
"bass_floor_band": {
"sub": 0.00598,
"low_bass": 0.05088,
"bass": 0.05265,
"low_mid": 0.15886,
"mid": 0.29728,
"upper_mid": 0.31465,
"presence": 0.08779,
"brilliance": 0.02672,
"air": 0.0052,
"ultra": 0.0
},
"octave_band_profile": {
"sub": 0.00598,
"low_bass": 0.05088,
"bass": 0.05265,
"low_mid": 0.15886,
"mid": 0.29728,
"upper_mid": 0.31465,
"presence": 0.08779,
"brilliance": 0.02672,
"air": 0.0052,
"ultra": 0.0
}
},
"cadence_and_ending": {
"loop_seam": {
"measurable": true,
"seam_distance": 1.0,
"interior_distance_median": 0.01561,
"seam_ratio": 64.081,
"seam_clean": false,
"tail_rms_over_mid": 0.0,
"head_rms_over_mid": 0.0,
"tail_rms_trend": 0.0,
"head_rms_trend": 0.8476,
"baked_fade_out": false,
"baked_fade_in": true
},
"ending": "through_or_loop",
"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": 1533.1,
"spectral_centroid_curve_hz": [
0.0,
2226.7,
1938.3,
1797.9,
1757.5,
1393.8,
1422.1,
1455.1,
2909.8,
0.0,
0.0
],
"spectral_rolloff85_hz_mean": 2946.2,
"spectral_flatness_mean": 0.26426,
"signature_colour": "warm"
}
}
}