music/exemplars/formula_cards/EX_014.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": "EX_014",
"title": "Tekken 2 Attract Movie: Sound Track",
"game": "Tekken 2",
"composer": "Yoshie Takayanagi",
"purpose_class": "TITLE_CHARACTER",
"source_path": "D:\\audio\\exemplars\\iTunes_Sweep\\TEKKEN Project & Bandai Namco Game Music\\Tekken 2 (Original Soundtrack)\\01 Tekken 2 Attract Movie_ Sound Tra.m4a",
"sha256": "4f7e84260231547e1a0fe1803faddaba63a715ed8c034cde39f5e24c617161ae",
"bytes": 1275260,
"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": "2026-08-07T19:00:01+00:00",
"format_induced_limit": "lossy source (aac); high-band timbre figures carry codec artefacts and the card declares it",
"control": {
"controls_passed": 37,
"controls_total": 37,
"ran_at": "2026-08-07T19:00:01+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": 21.5,
"section_boundaries_s": [
0.0,
1.416,
10.89,
19.876,
21.5
],
"section_count": 4,
"repeat_map": [
{
"section": 0,
"most_like_section": null,
"similarity": 0.0,
"is_repeat": false
},
{
"section": 1,
"most_like_section": 0,
"similarity": 0.8811,
"is_repeat": false
},
{
"section": 2,
"most_like_section": 1,
"similarity": 0.8487,
"is_repeat": false
},
{
"section": 3,
"most_like_section": 2,
"similarity": 0.7163,
"is_repeat": false
}
],
"novelty_peak_strength": [
0.4427,
0.4317,
1.0
],
"method": "checkerboard-kernel novelty over a chroma+MFCC self-similarity matrix"
},
"tempo_and_time_grammar": {
"tempo_function": {
"baseline_bpm": 99.38,
"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,
8.17,
8.54,
8.92,
9.29,
9.66,
10.03,
10.4,
10.77,
11.15,
11.52,
11.89,
12.26,
12.63,
13.0,
13.37,
13.75,
14.12,
14.49,
14.86,
15.23,
15.6,
15.98,
16.35,
16.72,
17.09,
17.46,
17.83,
18.2,
18.58,
18.95,
19.32,
19.69,
20.06,
20.43,
20.81,
21.18
],
"curve_bpm": [
47.85,
47.85,
47.85,
47.85,
47.85,
47.85,
47.85,
99.38,
99.38,
99.38,
99.38,
99.38,
99.38,
99.38,
99.38,
99.38,
99.38,
99.38,
99.38,
99.38,
99.38,
99.38,
99.38,
99.38,
99.38,
99.38,
99.38,
99.38,
99.38,
99.38,
99.38,
99.38,
99.38,
99.38,
99.38,
99.38,
99.38,
99.38,
99.38,
95.7,
95.7,
95.7,
198.77,
198.77,
198.77,
198.77,
198.77,
198.77,
129.2,
129.2,
129.2,
129.2,
184.57,
234.91,
234.91,
234.91,
234.91,
287.11
],
"adjustment_events": [
{
"position_s": 0.0,
"duration_s": 3.16,
"delta_bpm": -41.55,
"shape": "ramp"
},
{
"position_s": 14.51,
"duration_s": 6.97,
"delta_bpm": 74.34,
"shape": "step"
}
],
"dispersion_bpm": 55.666,
"rubato_depth_bpm": 150.916
},
"global_bpm": 99.38,
"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": 99.38,
"tempo_bpm_median_local": 99.38,
"tempo_iqr_bpm": 0.0,
"tempo_stability": 1.0,
"beat_interval_cv": 0.0262
},
"dominant_onset_period_s": 1.2307,
"dominant_onset_period_bpm": 48.75,
"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": 0.55,
"onset_rate_per_s": 10.79
}
},
"tonality": {
"key": "C#",
"mode": "minor",
"windowed_key_agreement": 0.6,
"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": 0.302,
"onset_bars": 0.12,
"pitch_contour": "UD-U---",
"interval_vocabulary_semitones": [
0,
1,
7
],
"intervals": [
7.0,
-7.0,
0.0,
1.0,
0.0,
0.0,
0.0
],
"range_semitones": 7.0,
"distinctive_deviation": {
"largest_interval_semitones": 7.0,
"at_note_index": 1,
"is_licensed_leap": false
}
},
"motif_economy": {
"self_similarity_peak": 0.9555,
"self_similarity_baseline": 0.8403,
"self_similarity_lift": 0.1152,
"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": 0.139,
"exit_s": 16.022,
"active_fraction": 0.6479,
"segments": [
[
0.139,
3.042
],
[
3.228,
11.587
],
[
13.119,
13.886
],
[
14.954,
16.022
]
]
},
{
"lane": "low_bass",
"band_hz": [
45,
90
],
"entry_s": 0.139,
"exit_s": 19.133,
"active_fraction": 0.8769,
"segments": [
[
0.139,
14.721
],
[
14.907,
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]
]
},
{
"lane": "bass",
"band_hz": [
90,
180
],
"entry_s": 0.139,
"exit_s": 18.53,
"active_fraction": 0.8564,
"segments": [
[
0.139,
18.53
]
]
},
{
"lane": "low_mid",
"band_hz": [
180,
355
],
"entry_s": 0.163,
"exit_s": 18.831,
"active_fraction": 0.8693,
"segments": [
[
0.163,
18.831
]
]
},
{
"lane": "mid",
"band_hz": [
355,
710
],
"entry_s": 0.139,
"exit_s": 18.669,
"active_fraction": 0.8629,
"segments": [
[
0.139,
18.669
]
]
},
{
"lane": "upper_mid",
"band_hz": [
710,
1400
],
"entry_s": 0.163,
"exit_s": 18.646,
"active_fraction": 0.8607,
"segments": [
[
0.163,
18.646
]
]
},
{
"lane": "presence",
"band_hz": [
1400,
2800
],
"entry_s": 0.163,
"exit_s": 18.901,
"active_fraction": 0.8726,
"segments": [
[
0.163,
18.901
]
]
},
{
"lane": "brilliance",
"band_hz": [
2800,
5600
],
"entry_s": 0.789,
"exit_s": 18.321,
"active_fraction": 0.8164,
"segments": [
[
0.789,
18.321
]
]
},
{
"lane": "air",
"band_hz": [
5600,
11200
],
"entry_s": 0.743,
"exit_s": 18.599,
"active_fraction": 0.8315,
"segments": [
[
0.743,
18.599
]
]
}
],
"interlap_matrix": {
"sub|low_bass": 0.7389,
"sub|bass": 0.7566,
"sub|low_mid": 0.7432,
"sub|mid": 0.7509,
"sub|upper_mid": 0.7506,
"sub|presence": 0.7404,
"sub|brilliance": 0.7296,
"sub|air": 0.7211,
"low_bass|bass": 0.9597,
"low_bass|low_mid": 0.9744,
"low_bass|mid": 0.967,
"low_bass|upper_mid": 0.9646,
"low_bass|presence": 0.978,
"low_bass|brilliance": 0.9145,
"low_bass|air": 0.9316,
"bass|low_mid": 0.9826,
"bass|mid": 0.9925,
"bass|upper_mid": 0.9925,
"bass|presence": 0.979,
"bass|brilliance": 0.9533,
"bass|air": 0.9636,
"low_mid|mid": 0.9901,
"low_mid|upper_mid": 0.9901,
"low_mid|presence": 0.9963,
"low_mid|brilliance": 0.9391,
"low_mid|air": 0.9565,
"mid|upper_mid": 0.9975,
"mid|presence": 0.9864,
"mid|brilliance": 0.9462,
"mid|air": 0.9637,
"upper_mid|presence": 0.9864,
"upper_mid|brilliance": 0.9486,
"upper_mid|air": 0.9661,
"presence|brilliance": 0.9356,
"presence|air": 0.953,
"brilliance|air": 0.9818
},
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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,
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3.158,
3.344,
3.529,
3.715,
3.901,
4.087,
4.272,
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7.802,
7.988,
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8.359,
8.545,
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8.916,
9.102,
9.288,
9.474,
9.66,
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10.031,
10.217,
10.403,
10.588,
10.774,
10.96,
11.146,
11.331,
11.517,
11.703,
11.889,
12.074,
12.26,
12.446,
12.632,
12.817,
13.003,
13.189,
13.375,
13.56,
13.746,
13.932,
14.118,
14.303,
14.489,
14.675,
14.861,
15.047,
15.232,
15.418,
15.604,
15.79,
15.975,
16.161,
16.347,
16.533,
16.718,
16.904,
17.09,
17.276,
17.461,
17.647,
17.833,
18.019,
18.204,
18.39,
18.576,
18.762,
18.947,
19.133,
19.319,
19.505,
19.691,
19.876,
20.062,
20.248,
20.434,
20.619,
20.805,
20.991,
21.177,
21.362
],
"lanes": [
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7,
7,
7,
8,
9,
9,
9,
9,
9,
9,
9,
9,
9,
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9,
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7,
6,
3,
1,
1,
0,
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0,
0,
0,
0,
0,
0,
0,
0,
0,
0
],
"max": 9,
"mean": 7.495
},
"register_spacing_octaves": [
1.085,
1.0,
0.99,
0.99,
0.99,
0.99,
1.0,
1.0
]
},
"event_grammar": {
"drops": [
{
"position": 0.8446,
"at_s": 18.158,
"db_delta": -5.04,
"lanes_removed": 1.57,
"bars_held_s": 2.74,
"re_enters_at_s": 20.898
},
{
"position": 0.9007,
"at_s": 19.365,
"db_delta": -62.98,
"lanes_removed": 1.11,
"bars_held_s": 1.533,
"re_enters_at_s": 20.898
}
],
"raises": [
{
"position": 0.0281,
"start_s": 0.604,
"end_s": 0.859,
"db_delta": 10.47,
"lanes_added": 3.19,
"slope_db_per_s": 40.973
}
],
"breaks": [
{
"position": 0.8964,
"at_s": 19.273,
"duration_s": 2.206
}
],
"tuttis": [
{
"position": 0.0389,
"at_s": 0.836,
"duration_s": 2.206,
"lanes": 9
},
{
"position": 0.1501,
"at_s": 3.228,
"duration_s": 8.359,
"lanes": 9
},
{
"position": 0.6102,
"at_s": 13.119,
"duration_s": 0.766,
"lanes": 9
},
{
"position": 0.6977,
"at_s": 15.0,
"duration_s": 1.022,
"lanes": 9
}
],
"silence_budget": {
"fraction": 0.1091,
"seconds": 2.345,
"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": 1,
"tuttis": 4
}
},
"opening_and_flow_law": {
"onset_type": "fade_in",
"first_sound_at_s": 0.116,
"time_to_hook_s": 0.302,
"time_to_hook_bars": 0.12,
"time_to_full_texture_s": 0.789,
"time_to_full_texture_bars": 0.33,
"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,
8.17,
8.92,
9.66,
10.4,
11.15,
11.89,
12.63,
13.37,
14.12,
14.86,
15.6,
16.35,
17.09,
17.83,
18.58,
19.32,
20.06,
20.81
],
"values": [
0.245,
0.505,
0.5938,
0.5976,
0.615,
0.6155,
0.6077,
0.6029,
0.6172,
0.6395,
0.6751,
0.7135,
0.7391,
0.7117,
0.6761,
0.6277,
0.6473,
0.5925,
0.568,
0.5554,
0.4996,
0.5823,
0.584,
0.5936,
0.5037,
0.3492,
0.0547,
0.1916,
0.1968
],
"peak_position_normalised": 0.4259
}
},
"complexity_law": {
"available": true,
"bar_length_s": 2.415,
"bars": 8,
"index_per_bar": [
0.9325,
0.9935,
1.0,
0.999,
0.9952,
0.9761,
0.9805,
0.7276
],
"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": 7,
"at_s": 16.9,
"delta": -0.253,
"at_section_boundary": false
}
],
"steps_at_section_boundaries": 0,
"steps_total": 1,
"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": 0.372,
"melodic_salience": 0.4672,
"voiced_fraction": 0.1512,
"note_count": 8,
"mean_lanes": 7.495,
"max_lanes": 9
},
"dynamics": {
"dynamic_range_db_p95_minus_p10": 68.19,
"peak_position_normalised": 0.4368,
"peak_at_s": 9.381,
"arc_curve_db": [
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-20.73,
-14.15,
-13.49,
-12.97,
-13.37,
-13.83,
-13.58,
-12.93,
-12.33,
-11.38,
-10.1,
-9.43,
-9.89,
-12.18,
-13.46,
-12.36,
-14.57,
-15.99,
-14.49,
-15.32,
-15.33,
-12.94,
-13.11,
-16.43,
-25.6,
-66.57,
-103.63,
-102.5
],
"arc_times_s": [
0.0,
0.74,
1.49,
2.23,
2.97,
3.72,
4.46,
5.2,
5.94,
6.69,
7.43,
8.17,
8.92,
9.66,
10.4,
11.15,
11.89,
12.63,
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14.12,
14.86,
15.6,
16.35,
17.09,
17.83,
18.58,
19.32,
20.06,
20.81
]
},
"register": {
"melody_span_semitones": 7.0,
"melody_tessitura_midi": 38.0,
"bass_floor_band": {
"sub": 0.18569,
"low_bass": 0.0923,
"bass": 0.09732,
"low_mid": 0.13248,
"mid": 0.14923,
"upper_mid": 0.22837,
"presence": 0.09145,
"brilliance": 0.02165,
"air": 0.00143,
"ultra": 0.0
},
"octave_band_profile": {
"sub": 0.18569,
"low_bass": 0.0923,
"bass": 0.09732,
"low_mid": 0.13248,
"mid": 0.14923,
"upper_mid": 0.22837,
"presence": 0.09145,
"brilliance": 0.02165,
"air": 0.00143,
"ultra": 0.0
}
},
"cadence_and_ending": {
"loop_seam": {
"measurable": true,
"seam_distance": 0.99997,
"interior_distance_median": 0.01416,
"seam_ratio": 70.637,
"seam_clean": false,
"tail_rms_over_mid": 0.0,
"head_rms_over_mid": 0.9096,
"tail_rms_trend": -0.0525,
"head_rms_trend": 0.2154,
"baked_fade_out": false,
"baked_fade_in": false
},
"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": 2353.4,
"spectral_centroid_curve_hz": [
7278.7,
863.3,
1534.2,
1380.1,
1427.7,
1602.5,
1719.3,
1534.3,
1453.2,
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1373.4,
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1354.7,
9830.3,
10171.5
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"spectral_rolloff85_hz_mean": 3720.8,
"spectral_flatness_mean": 0.00966,
"signature_colour": "warm"
}
}
}