music/exemplars/formula_cards/UNMATCHED__60_Sakuraba_Solo_Sfc_Version_.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__60_Sakuraba_Solo_Sfc_Version_",
"title": null,
"game": null,
"composer": null,
"purpose_class": null,
"source_path": "D:\\audio\\exemplars\\iTunes_Sweep\\Tales of Series SOUND TEAM & Bandai Namc\\Tales of Phantasia (Original Soundtrack)\\60 Sakuraba Solo (Sfc Version).m4a",
"sha256": "3eaeaf46d9f21104b488fd2ee4072247d2a07fc9d1781570007f20dfc57b5b3b",
"bytes": 3032344,
"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": "2026-08-07T12:53:50+00:00",
"format_induced_limit": "lossy source (aac); high-band timbre figures carry codec artefacts and the card declares it",
"control": {
"controls_passed": 31,
"controls_total": 31,
"ran_at": "2026-08-07T12:07:20+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": {
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"total_length_s": 77.0,
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0.0,
4.528,
17.624,
25.565,
33.506,
41.517,
51.409,
57.4,
66.734,
72.725,
77.0
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{
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{
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{
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{
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{
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74.3,
74.68,
75.05,
75.42,
75.79,
76.16,
76.53,
76.9
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123.05,
123.05,
80.75,
80.75,
80.75,
80.75,
80.75,
80.75,
80.75,
80.75,
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80.75,
78.3,
78.3,
78.3,
99.38,
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99.38,
99.38,
99.38,
47.85,
47.85,
47.85,
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234.91,
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234.91,
234.91,
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184.57,
184.57,
184.57,
184.57,
184.57,
83.35,
83.35,
83.35,
83.35,
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161.5,
161.5,
161.5,
161.5,
161.5,
161.5,
258.4,
258.4,
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99.38,
172.27,
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184.57,
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184.57,
184.57,
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{
"position_s": 0.0,
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"shape": "ramp"
},
{
"position_s": 14.98,
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"shape": "step"
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{
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"shape": "step"
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{
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"shape": "step"
},
{
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"shape": "step"
},
{
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"shape": "step"
},
{
"position_s": 60.56,
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"shape": "step"
},
{
"position_s": 71.89,
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"shape": "step"
}
],
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"rubato_depth_bpm": 154.158
},
"global_bpm": 123.05,
"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": {
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"tempo_bpm_median_local": 123.05,
"tempo_iqr_bpm": 5.59,
"tempo_stability": 0.8182,
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"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."
},
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"onset_rate_per_s": 10.763
}
},
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"key": "C",
"mode": "minor",
"windowed_key_agreement": 0.3158,
"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": 0.592,
"onset_bars": 0.43,
"pitch_contour": "-UUDD-UD-UDUDUD",
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0,
3,
7,
10,
11,
14,
22,
23
],
"intervals": [
0.0,
3.0,
7.0,
-7.0,
-10.0,
0.0,
22.0,
-7.0,
0.0,
7.0,
-14.0,
7.0,
-7.0,
11.0,
-23.0
],
"range_semitones": 26.0,
"distinctive_deviation": {
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"at_note_index": 15,
"is_licensed_leap": true
}
},
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"self_similarity_lift": 0.1609,
"recurrence_lag_s": 0.464,
"interval_3gram_repetition": 0.0323,
"interval_4gram_repetition": 0.0163
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"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.",
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"low_mid",
"mid",
"upper_mid",
"presence",
"brilliance",
"air",
"ultra"
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31.533,
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34.76,
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37.5,
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39.358,
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41.471,
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49.412,
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51.386,
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53.336,
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55.38,
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57.4,
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62.949,
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69.846,
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70.867,
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]
]
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{
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14.443,
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19.621,
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27.562,
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31.533,
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37.523,
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41.494,
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49.435,
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53.383,
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55.38,
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57.4,
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[
62.949,
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69.846,
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]
]
},
{
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90,
180
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49.412,
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70.867,
72.609
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]
},
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180,
355
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"segments": [
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0.534,
69.474
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69.822,
70.612
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70.751,
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]
},
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"lane": "mid",
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355,
710
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"entry_s": 0.534,
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"active_fraction": 0.909,
"segments": [
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0.534,
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]
},
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"lane": "upper_mid",
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710,
1400
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0.534,
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33.53,
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64.644,
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2800
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28.305,
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33.785,
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42.678,
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44.698,
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63.53
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64.621,
65.248
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},
{
"lane": "brilliance",
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"segments": [
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28.305,
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64.621,
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]
},
{
"lane": "air",
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11200
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"segments": [
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24.079,
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29.095,
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39.822,
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40.96,
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[
45.836,
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58.491,
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60.604,
62.601
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[
62.926,
63.785
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[
64.621,
65.225
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[
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}
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"sub|bass": 0.5756,
"sub|low_mid": 0.5729,
"sub|mid": 0.5665,
"sub|upper_mid": 0.5509,
"sub|presence": 0.4804,
"sub|brilliance": 0.5398,
"sub|air": 0.2166,
"low_bass|bass": 0.5804,
"low_bass|low_mid": 0.5803,
"low_bass|mid": 0.5502,
"low_bass|upper_mid": 0.5395,
"low_bass|presence": 0.4658,
"low_bass|brilliance": 0.5284,
"low_bass|air": 0.2118,
"bass|low_mid": 0.9871,
"bass|mid": 0.9661,
"bass|upper_mid": 0.9164,
"bass|presence": 0.7764,
"bass|brilliance": 0.8874,
"bass|air": 0.3229,
"low_mid|mid": 0.9662,
"low_mid|upper_mid": 0.9252,
"low_mid|presence": 0.7847,
"low_mid|brilliance": 0.896,
"low_mid|air": 0.3248,
"mid|upper_mid": 0.9476,
"mid|presence": 0.8036,
"mid|brilliance": 0.9177,
"mid|air": 0.3327,
"upper_mid|presence": 0.8474,
"upper_mid|brilliance": 0.9353,
"upper_mid|air": 0.3478,
"presence|brilliance": 0.8602,
"presence|air": 0.3715,
"brilliance|air": 0.3625
},
"simultaneity_curve": {
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],
"peak_position_normalised": 0.6101
}
},
"complexity_law": {
"available": true,
"bar_length_s": 1.3932,
"bars": 55,
"index_per_bar": [
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0.8372,
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],
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{
"bar": 1,
"at_s": 1.39,
"delta": 0.156,
"at_section_boundary": true
},
{
"bar": 14,
"at_s": 19.5,
"delta": 0.191,
"at_section_boundary": false
},
{
"bar": 17,
"at_s": 23.68,
"delta": 0.153,
"at_section_boundary": false
},
{
"bar": 20,
"at_s": 27.86,
"delta": 0.15,
"at_section_boundary": false
},
{
"bar": 47,
"at_s": 65.48,
"delta": -0.154,
"at_section_boundary": true
},
{
"bar": 49,
"at_s": 68.26,
"delta": -0.346,
"at_section_boundary": false
},
{
"bar": 51,
"at_s": 71.05,
"delta": -0.19,
"at_section_boundary": false
},
{
"bar": 52,
"at_s": 72.44,
"delta": -0.259,
"at_section_boundary": true
}
],
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"steps_total": 8,
"boundary_step_share": 0.375,
"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": {
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"voiced_fraction": 0.4104,
"note_count": 127,
"mean_lanes": 6.576,
"max_lanes": 9
},
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6.69,
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26.75,
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38.64,
39.38,
40.12,
40.87,
41.61,
42.35,
43.1,
43.84,
44.58,
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46.07,
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47.55,
48.3,
49.04,
49.78,
50.53,
51.27,
52.01,
52.76,
53.5,
54.24,
54.98,
55.73,
56.47,
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57.96,
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69.1,
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75.05,
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76.53
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},
"register": {
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"melody_tessitura_midi": 51.0,
"bass_floor_band": {
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"low_bass": 0.01427,
"bass": 0.14719,
"low_mid": 0.22145,
"mid": 0.16766,
"upper_mid": 0.34967,
"presence": 0.08561,
"brilliance": 0.01311,
"air": 0.00085,
"ultra": 0.0
},
"octave_band_profile": {
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"low_bass": 0.01427,
"bass": 0.14719,
"low_mid": 0.22145,
"mid": 0.16766,
"upper_mid": 0.34967,
"presence": 0.08561,
"brilliance": 0.01311,
"air": 0.00085,
"ultra": 0.0
}
},
"cadence_and_ending": {
"loop_seam": {
"measurable": true,
"seam_distance": 0.69513,
"interior_distance_median": 0.05675,
"seam_ratio": 12.249,
"seam_clean": false,
"tail_rms_over_mid": 0.0001,
"head_rms_over_mid": 0.0,
"tail_rms_trend": -0.1213,
"head_rms_trend": 0.7672,
"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": {
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1088.5,
1048.8,
951.2,
902.7,
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1019.8,
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"spectral_flatness_mean": 0.00923,
"signature_colour": "warm"
}
}
}