music/exemplars/formula_cards/UNMATCHED__05_A_Day_of_Beginnings.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__05_A_Day_of_Beginnings",
"title": null,
"game": null,
"composer": null,
"purpose_class": null,
"source_path": "D:\\audio\\exemplars\\iTunes_Sweep\\Compilations\\Pokémon Black & Pokémon White_ Super Mus\\05 A Day of Beginnings.m4a",
"sha256": "df614dd4b28adef9efd482a75c6efd1909ac13769332a9c13511ad4ca25164aa",
"bytes": 1154918,
"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": "2026-08-07T01:30:49+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": 19.373,
"section_boundaries_s": [
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1.788,
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"section_count": 3,
"repeat_map": [
{
"section": 0,
"most_like_section": null,
"similarity": 0.0,
"is_repeat": false
},
{
"section": 1,
"most_like_section": 0,
"similarity": 0.9522,
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},
{
"section": 2,
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"is_repeat": false
}
],
"novelty_peak_strength": [
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"method": "checkerboard-kernel novelty over a chroma+MFCC self-similarity matrix"
},
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"tempo_function": {
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15.98,
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18.2,
18.58,
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184.57,
184.57,
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184.57,
184.57,
184.57,
184.57,
184.57,
184.57,
198.77,
287.11,
287.11,
287.11,
287.11
],
"adjustment_events": [
{
"position_s": 17.11,
"duration_s": 1.93,
"delta_bpm": 40.63,
"shape": "step"
}
],
"dispersion_bpm": 26.479,
"rubato_depth_bpm": 0.0
},
"global_bpm": 92.29,
"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": 92.29,
"tempo_bpm_median_local": 92.29,
"tempo_iqr_bpm": 36.91,
"tempo_stability": 0.0,
"beat_interval_cv": 0.0134
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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."
},
"groove": {
"swing_ratio": 0.786,
"onset_rate_per_s": 10.779
}
},
"tonality": {
"key": "G",
"mode": "major",
"windowed_key_agreement": 0.4,
"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": 0.557,
"onset_bars": 0.43,
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2,
4,
7,
8,
9,
12,
17,
19,
26,
28
],
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12.0,
-12.0,
7.0,
9.0,
-4.0,
17.0,
-1.0,
-28.0,
9.0,
8.0,
4.0,
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19.0,
-2.0,
-26.0
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"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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[
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},
{
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]
]
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]
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{
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]
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1,
8,
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7,
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6,
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5,
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4,
3,
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"mean": 6.46
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"register_spacing_octaves": [
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0.99,
0.99,
1.0,
1.0
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"bars_held_s": 0.209,
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{
"position": 0.187,
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{
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{
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"re_enters_at_s": 18.785
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{
"position": 0.9121,
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"re_enters_at_s": 18.785
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],
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"end_s": 0.789,
"db_delta": 126.01,
"lanes_added": 5.71,
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{
"position": 0.4159,
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],
"breaks": [
{
"position": 0.0,
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"duration_s": 0.464
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{
"position": 0.8953,
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"duration_s": 2.02
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"lanes": 9
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],
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"seconds": 2.529,
"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": 2,
"breaks": 2,
"tuttis": 1
}
},
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"time_to_hook_bars": 0.43,
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"time_to_full_texture_bars": 1.87,
"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": [
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0.74,
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0.6475,
0.561,
0.2921,
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0.0717,
0.0
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0.9419,
0.9964,
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0.9939,
0.9867,
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"delta": -0.692,
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}
],
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"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."
},
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"register": {
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"melody_tessitura_midi": 64.0,
"bass_floor_band": {
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"mid": 0.45544,
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"brilliance": 0.00873,
"air": 0.00088,
"ultra": 0.0
},
"octave_band_profile": {
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"bass": 0.11654,
"low_mid": 0.18369,
"mid": 0.45544,
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"presence": 0.02869,
"brilliance": 0.00873,
"air": 0.00088,
"ultra": 0.0
}
},
"cadence_and_ending": {
"loop_seam": {
"measurable": true,
"seam_distance": 1.0,
"interior_distance_median": 0.04169,
"seam_ratio": 23.986,
"seam_clean": false,
"tail_rms_over_mid": 0.0,
"head_rms_over_mid": 0.0,
"tail_rms_trend": -0.9153,
"head_rms_trend": 0.4975,
"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": 1416.6,
"spectral_centroid_curve_hz": [
0.0,
1257.8,
1406.7,
1727.3,
1132.2,
1691.0,
1258.6,
1024.1,
1264.9,
1371.4,
1249.0,
3441.9,
1613.0,
1440.1,
1510.1,
1399.5,
1434.9,
1483.0,
1316.1,
1341.6,
1697.3,
1936.1,
1779.1,
1633.2,
1031.7,
1279.8,
0.0
],
"spectral_rolloff85_hz_mean": 2671.1,
"spectral_flatness_mean": 0.05042,
"signature_colour": "warm"
}
}
}