music/exemplars/formula_cards/UNMATCHED__154_Lostlorn_Forest.json
{
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"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__154_Lostlorn_Forest",
"title": null,
"game": null,
"composer": null,
"purpose_class": null,
"source_path": "D:\\audio\\exemplars\\iTunes_Sweep\\Compilations\\Pokémon Black & Pokémon White_ Super Mus\\154 Lostlorn Forest.m4a",
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"decoder": "ffmpeg.exe :: ffmpeg version 9.0-full_build-www.gyan.dev Copyright (c) 2000-2026 the FFmpeg developers",
"measured_at": "2026-08-07T01:54:21+00:00",
"format_induced_limit": "lossy source (aac); high-band timbre figures carry codec artefacts and the card declares it",
"control": {
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"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."
},
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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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},
{
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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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},
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"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.",
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"tempo_bpm_median_local": 123.05,
"tempo_iqr_bpm": 64.6,
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"beat_interval_cv": 0.0384
},
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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": {
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}
},
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"modulation_note": "Windowed key agreement below ~0.7 is the modulation signal at rung 1; a pivot-chord map needs symbolic transcription (rung 2)."
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"pitch_contour": "UUDUDUUDUUDDU-U",
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17.0,
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6.0,
10.0,
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3.0,
9.0,
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6.0,
0.0,
10.0
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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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73.166,
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114.916,
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0.534,
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27.214,
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36.316,
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52.245,
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61.556,
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82.779,
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91.905,
96.758
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[
107.81,
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117.145,
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{
"lane": "bass",
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0.9503,
0.8434,
0.5802,
0.9208,
0.9484,
0.9969,
0.927,
0.8435,
0.8166,
0.6427,
0.3185,
0.0967
],
"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": 1.39,
"delta": 0.245,
"at_section_boundary": true
},
{
"bar": 30,
"at_s": 41.79,
"delta": -0.307,
"at_section_boundary": true
},
{
"bar": 31,
"at_s": 43.19,
"delta": 0.151,
"at_section_boundary": false
},
{
"bar": 33,
"at_s": 45.97,
"delta": -0.321,
"at_section_boundary": false
},
{
"bar": 35,
"at_s": 48.76,
"delta": 0.289,
"at_section_boundary": false
},
{
"bar": 37,
"at_s": 51.55,
"delta": -0.202,
"at_section_boundary": true
},
{
"bar": 38,
"at_s": 52.94,
"delta": 0.423,
"at_section_boundary": true
},
{
"bar": 41,
"at_s": 57.12,
"delta": -0.281,
"at_section_boundary": false
},
{
"bar": 42,
"at_s": 58.51,
"delta": 0.313,
"at_section_boundary": false
},
{
"bar": 70,
"at_s": 97.52,
"delta": -0.323,
"at_section_boundary": true
},
{
"bar": 71,
"at_s": 98.91,
"delta": 0.196,
"at_section_boundary": false
},
{
"bar": 73,
"at_s": 101.7,
"delta": -0.277,
"at_section_boundary": false
},
{
"bar": 74,
"at_s": 103.09,
"delta": 0.157,
"at_section_boundary": false
},
{
"bar": 75,
"at_s": 104.49,
"delta": 0.253,
"at_section_boundary": false
},
{
"bar": 76,
"at_s": 105.88,
"delta": -0.167,
"at_section_boundary": false
},
{
"bar": 78,
"at_s": 108.67,
"delta": 0.394,
"at_section_boundary": true
},
{
"bar": 81,
"at_s": 112.85,
"delta": -0.263,
"at_section_boundary": false
},
{
"bar": 82,
"at_s": 114.24,
"delta": 0.341,
"at_section_boundary": false
},
{
"bar": 88,
"at_s": 122.6,
"delta": -0.174,
"at_section_boundary": false
},
{
"bar": 89,
"at_s": 123.99,
"delta": -0.324,
"at_section_boundary": false
},
{
"bar": 90,
"at_s": 125.38,
"delta": -0.222,
"at_section_boundary": false
}
],
"steps_at_section_boundaries": 6,
"steps_total": 21,
"boundary_step_share": 0.286,
"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": 1.719,
"melodic_salience": 0.8433,
"voiced_fraction": 0.5329,
"note_count": 220,
"mean_lanes": 6.997,
"max_lanes": 9
},
"dynamics": {
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],
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1.49,
2.23,
2.97,
3.72,
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5.2,
5.94,
6.69,
7.43,
8.17,
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10.4,
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12.63,
13.37,
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14.86,
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25.26,
26.01,
26.75,
27.49,
28.24,
28.98,
29.72,
30.46,
31.21,
31.95,
32.69,
33.44,
34.18,
34.92,
35.67,
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37.15,
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38.64,
39.38,
40.12,
40.87,
41.61,
42.35,
43.1,
43.84,
44.58,
45.33,
46.07,
46.81,
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,
57.21,
57.96,
58.7,
59.44,
60.19,
60.93,
61.67,
62.42,
63.16,
63.9,
64.64,
65.39,
66.13,
66.87,
67.62,
68.36,
69.1,
69.85,
70.59,
71.33,
72.07,
72.82,
73.56,
74.3,
75.05,
75.79,
76.53,
77.28,
78.02,
78.76,
79.51,
80.25,
80.99,
81.73,
82.48,
83.22,
83.96,
84.71,
85.45,
86.19,
86.94,
87.68,
88.42,
89.16,
89.91,
90.65,
91.39,
92.14,
92.88,
93.62,
94.37,
95.11,
95.85,
96.6,
97.34,
98.08,
98.82,
99.57,
100.31,
101.05,
101.8,
102.54,
103.28,
104.03,
104.77,
105.51,
106.25,
107.0,
107.74,
108.48,
109.23,
109.97,
110.71,
111.46,
112.2,
112.94,
113.68,
114.43,
115.17,
115.91,
116.66,
117.4,
118.14,
118.89,
119.63,
120.37,
121.12,
121.86,
122.6,
123.34,
124.09,
124.83,
125.57,
126.32,
127.06,
127.8
]
},
"register": {
"melody_span_semitones": 41.0,
"melody_tessitura_midi": 59.0,
"bass_floor_band": {
"sub": 0.00016,
"low_bass": 0.05655,
"bass": 0.14996,
"low_mid": 0.22386,
"mid": 0.24026,
"upper_mid": 0.2207,
"presence": 0.08345,
"brilliance": 0.0178,
"air": 0.00442,
"ultra": 0.0
},
"octave_band_profile": {
"sub": 0.00016,
"low_bass": 0.05655,
"bass": 0.14996,
"low_mid": 0.22386,
"mid": 0.24026,
"upper_mid": 0.2207,
"presence": 0.08345,
"brilliance": 0.0178,
"air": 0.00442,
"ultra": 0.0
}
},
"cadence_and_ending": {
"loop_seam": {
"measurable": true,
"seam_distance": 1.0,
"interior_distance_median": 0.06115,
"seam_ratio": 16.354,
"seam_clean": false,
"tail_rms_over_mid": 0.0,
"head_rms_over_mid": 0.0,
"tail_rms_trend": -0.8426,
"head_rms_trend": 0.9371,
"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": 1795.7,
"spectral_centroid_curve_hz": [
0.0,
1694.4,
2780.0,
1616.8,
1565.2,
2024.2,
1681.3,
2258.4,
2803.1,
2984.7,
2891.0,
1501.5,
2189.8,
2124.6,
1942.0,
1785.6,
1571.6,
1996.2,
1199.2,
2010.4,
2296.4,
1613.6,
1494.1,
1458.2,
1223.8,
1659.0,
1355.4,
1919.8,
1924.3,
982.4,
1851.2,
1385.0,
1671.9,
1681.7,
1566.0,
1735.6,
1171.7,
1344.4,
1325.1,
1995.7,
1639.6,
1386.8,
1849.4,
3607.7,
1942.1,
1516.7,
1546.1,
1665.3,
1700.3,
1877.5,
1726.1,
1792.5,
1820.9,
1900.6,
2136.4,
3293.9,
3246.0,
2225.7,
2383.7,
2356.3,
2072.5,
2000.0,
1858.4,
622.1,
1512.3,
1953.5,
2087.4,
1678.7,
2004.6,
1982.9,
2034.6,
1314.5,
1830.3,
1338.1,
1405.9,
1833.4,
1568.4,
1216.9,
1502.6,
1616.2,
1693.6,
1312.9,
1649.2,
1566.2,
2317.3,
4162.7,
1415.9,
1436.0,
2336.3,
1565.5,
1681.6,
1995.7,
2094.7,
1754.2,
1910.0,
1190.5,
1349.7,
1181.3,
1615.9,
1322.4,
949.5,
2363.7,
1214.7,
1808.2,
1315.0,
1939.2,
1411.4,
1615.6,
1606.8,
1539.2,
1114.1,
1440.3,
1347.2,
1574.5,
1297.0,
1150.1,
1366.8,
2111.7,
3462.5,
1565.8,
1568.1,
1596.2,
1669.8,
1894.2,
1917.2,
1823.3,
1716.4,
1951.9,
1969.7,
2394.1,
3238.5,
2993.2,
2085.0,
1931.6,
1480.5,
1652.3,
1941.6,
2357.2,
930.2,
1523.1,
1829.7,
2020.7,
1482.0,
2085.2,
2344.0,
2052.8,
1318.8,
1681.1,
1488.8,
1483.9,
1938.7,
1507.2,
1506.5,
1271.3,
1562.8,
1346.6,
1537.7,
1878.4,
1598.2,
3079.2,
2611.7,
1888.1,
1970.9,
2016.3,
2045.1,
1900.3,
1909.0,
1611.5,
1018.2,
1656.9,
1336.4,
1698.8,
0.0
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"spectral_rolloff85_hz_mean": 3497.7,
"spectral_flatness_mean": 0.0166,
"signature_colour": "warm"
}
}
}