music/benchmark/records/BENCH_R1_ELEVENLABS_EDIT_V2_4.json
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"track_id": "BENCH_R1_ELEVENLABS_EDIT_V2_4",
"engine": "elevenlabs",
"engine_label": "ElevenLabs Music v2 (Josh's Starter tier)",
"prompt_id": "EDIT-V2-4",
"variant": "",
"cue_class": "EXPLORATION",
"class_note": "EXPLORATION carries its own corpus band (n=8 melodic, n=8 loudness).",
"audio": "D:\\audio\\ch02_soundtrack\\CH02_T4_SasandoFestival_VAR2.wav",
"sha256": "a8a2f7b6a732073a48f311072d8ecb2e47997963a200e55dbfc7db76f9fd6607",
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"duration_s": 240.0,
"judged_at": "2026-08-09T21:21:37+00:00",
"licence": {
"posture": "PAID-COMMERCIAL, BUT STUDIO GAMES ARE CARVED OUT BELOW ENTERPRISE",
"shippable_today": false,
"evidence": "docs/licence_records/elevenlabs/READ_RECORD_2026-08-09.md -- the Model-Specific Terms (Last Updated 26 May 2026) define Studio Games as commercialised video games on more than one platform, and elevenlabs.io/music-api states 'Film, TV, and large studio game rights require an Enterprise plan'. Starter is JUDGING-ONLY for this project",
"next_read": "the Music Commercial Rights table itself is client-rendered and did not fetch; read it in the browser and pin the Starter row verbatim",
"melody_input": "NO -- text prompt, ~30 s audio style reference, and a section-by-section composition plan. No MIDI, no melody file",
"score_export": false,
"score_export_note": "audio only; the NEEDS-SCORE instruments are unrecoverable for this engine and stay blind spots on every row"
},
"honest_tiers": {
"structural_yield": "AUDIO-COMPLETE",
"floor_battery": "AUDIO-COMPLETE for the arc/event/segmentation axes; AUDIO-ESTIMATE wherever an instrument needs the extracted line (melodic intelligence, summit tests)",
"melody_bands": "AUDIO-ESTIMATE -- extraction from dense polyphony; harmonization_density is a LOWER BOUND. RECORDED NEGATIVE (control C11b): the AUDIO tier PASSES the round-4 cue Josh graded down in writing, while the SCORE tier read it LOW on harmonisation. A bands pass on an audio-only row is a FLOOR clearance and no part of a quality claim",
"groove": "AUDIO-COMPLETE for the seven audio axes; its score axes are unavailable",
"harmony_fit": "NEEDS-SCORE -- returns UNAVAILABLE on audio and is recorded as a blind spot",
"loudness": "AUDIO-COMPLETE, and INFORMATIONAL ONLY -- see the header; it fails the corpus",
"quotation_screen": "AUDIO-ESTIMATE -- runs on the extracted line; a partial seed set, so CLEAR is not a clean-room certificate",
"cross_track_distinctness": "COHORT -- needs two or more slate tracks; a lone track cannot be distinct, only distinct FROM something",
"arc_grammar": "SPLIT. `instr_dynamic_arc` (inside the floor battery) reads the build, the holds and the valleys, so movements 1-3's DYNAMICS are AUDIO-COMPLETE. But carrier migration -- the melody passed between instruments -- and whether the ending SETTLES are UNMEASURED BY ANY INSTRUMENT and are graded by ear. See UNMEASURED_BY_ANY_INSTRUMENT, printed on every row"
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"reads_like": "between the two populations",
"honest_label": "a GENERATION-DEFECT detector, not a taste oracle -- AUC 0.911 against the round Josh rejected, 0.423 against the corpus's own album siblings"
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"what_this_does_not_say": "Nothing here is a judgement of quality and no listening test stands behind any of it. Three of the four instruments looked for Josh's defect in their own domain and did not find it: the cycle law passes 17 of the 18 tracks he rejected (within-album AUC 0.501), the noise detector fires on 0 of 18 across both tiers with nothing clearing the multiplicity bar, and the layer census saturates near 8 streams where a real cue runs 24 to 40 parts, so it cannot adjudicate the layer clause at all. Sensory roughness came back at chance (0.4963). Structural yield is the axis that separates, and it separates our generator from real music, not good music from filler."
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"law": "No repeated cycle of a track runs more than five cycles without a novelty event -- a new instrument, a catch, a new melody or a beat drop (Josh, 2026-08-07; the enhanced target is three).",
"evidence": [
"cycle period 8.17 s (5.867 bars) by audio_ssm_lag_profile; track is 29.4 cycles long",
"lag-profile peak at 8.17 s; no subharmonic descent was needed",
"71 novelty events collapse to 45 moments (beat_drop 9, complexity_step 14, lane_entry 18, lanes_added 7, new_section 2, novelty_peak 5, tempo_shift 16)",
"worst unchanged span 30.6 s = 3.75 cycles, 195-226 s (interior)",
"without tempo events the worst span reads 5.31 cycles",
"STRICT reading, counting only events that ADD (a band arriving, a raise adding lanes, a structural change) and never a drop: worst span 5.31 cycles -- FAILS the five-cycle floor",
"structural yield 0.54 (3.25 boundaries/min against 6.00 drops/min) -- a generation-defect axis, not a quality one",
"novelty power per cycle 1.7753 in the first half against 0.6903 in the second (falling)"
]
}
},
"layer_census": {
"instrument": "layer_census",
"version": "v1",
"available": true,
"reason": "",
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"law": "A track runs many distinct layers and stages their entrances and exits across the whole cue rather than arriving as one undifferentiated wall.",
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"TIER 1 -- 9 of ten spectral occupancy bands carry content; peak band simultaneity 9.0. Bands are not instruments and this figure is not a layer count.",
"TIER 2 -- spectral stream estimate, mean 5.24, peak 8. Measured accuracy +-1 over 1-8 concurrent sources on the synthetic ladder (MAE 0.29); it SATURATES near 8 and cannot count dozens.",
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"provenance": {
"motif_length": "CRAFT CONSENSUS",
"interval_vocabulary": "CRAFT CONSENSUS",
"distinctive_leap": "CRAFT CONSENSUS",
"compass": "PHYSICAL, THEN CRAFT",
"contour_activity": "CRAFT CONSENSUS",
"singability": "CRAFT CONSENSUS WITH A MEASURED NULL AGAINST IT"
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"definition": "arithmetic mean of six band-scored terms in 0..1; singability is 0.50*step_frac + 0.25*repeat_frac + 0.25*gapfill_frac, which is the stated definition rather than a vibe"
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"advisories": [],
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"caveat": "no SEED signature matched. The seed set is partial and its named gaps are listed; CLEAR is not a clean-room certificate."
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"note": "intervals are exact-size matches under an edit budget; the contour variant is blind to interval size and is the ornamentation-tolerant reading",
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"verdict": {
"passes": true,
"law": "A track must state an identifiable motif and bring it back transformed rather than pasted: hooks and complexities, never stacked noise.",
"evidence": [
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]
},
"thresholds": {
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"derived_from": "30 corpus HITS, audio arm, 2026-08-07",
"health": "DEGENERATE -- see the sensitivity sweep in the validation artifact"
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"_honest_tier": "MEASURED INSTRUMENT"
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"reason": "",
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"passes": true,
"law": "A texture may carry dozens of layers, but it must resolve into separable voices: there cannot just be stacked noise.",
"evidence": [
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"density-without-structure conjunction 0.0461 vs bar 0.7536 :: crowding 0.234, noisiness 0.046, simultaneity 0.233, unmelodic 0.201",
"roughness 0.1233, residual share 0.1191, peak structure 24.616 dB (stability 0.5997), masked fraction 0.0821, voice independence 0.364",
"noise-wall conjunction 0.0461 vs bar 0.8652 :: flatness 0.046, residual 0.407, unpeaked 0.354",
"crammed-wall conjunction 0.2334 vs bar 0.9043 :: masking 0.233, roughness 0.326, unpeaked 0.354",
"worst window 155.3s to 159.29s at 0.6432 :: roughness 0.160; residual share 0.159; peak structure 24.2 dB; masked fraction 0.103",
"wall score 0.2606 (audio tier) against floor 0.8814 and target 0.383"
]
}
},
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"metrics": {
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"contour_depth": 7.0,
"melodic_complexity": 0.3277,
"n_development_ops": 0,
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"phrase_count": 32,
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"n_melodic_voices": 4,
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"passes_floor": false,
"passes_target": false
},
"series": {
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},
"detail": {
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"note_count": 265,
"note_rate_per_s": 1.4722,
"analysed_s": 180.0
},
"complexity": {
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"interval_predictive_information_uncorrected": 1.9097,
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"definition": "geometric mean of a five-term VARIETY score and a three-term STRUCTURE score; structure is shuffle-corrected predictive information, which is zero for a random line and zero for a constant one"
},
"development": {
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"reason": "",
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},
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},
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},
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},
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"tier": "audio",
"evidence": [
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"complexity 0.3277 = variety 0.9604 x structure 0.1118",
"development: 0 operation(s) [] of 0 returns",
"phrases: 32 , sophistication 0.7558",
"voices: 4 melodically active of 5 bands",
"dialogue: 4 hand-off(s), 0.5197 share entropy"
]
}
},
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"worst_transposition": null,
"matching_run_len": null,
"n_flagged_pairs": null,
"declared_reference": null,
"distinctness": null,
"passes_floor": null,
"passes_target": null
},
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"passes": null,
"law": "No two tracks may share more melodic material than a declaration licenses: every track its own tune, and a reprise is design only where the plan names the partner and the node that earns it.",
"evidence": [
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]
},
"_honest_tier": "MEASURED INSTRUMENT"
},
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"reason": "",
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},
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"axes": {
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"self_sufficiency": 0.8571,
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"piano_melody_recovered": 0.887
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"failures": [],
"passes": true,
"passes_target": true
},
"orchestra_lint": {
"available": false,
"reason": "SCORE-ONLY TEST. A lint needs a part; released audio has none. This is stated rather than approximated -- there is no honest way to infer a playable part list from a stereo master, and a fabricated one would make the corpus look calibrated when it is not"
}
},
"verdict": {
"passes": true,
"law": "A theme must hold as melody plus harmony on one instrument -- the only route nostalgia travels -- and its score must be playable by real players from real notation.",
"tier": "audio-extracted",
"evidence": [
"piano reduction (audio-extracted): singability 0.990, self-sufficiency 0.857, transmissibility 0.801, harmonic interest 0.832",
"phrase grammar: longest span of NOVEL material 5.06 bars (unbroken 5.06), 3 distinct idea(s), 35 cadence(s), 3 antecedent-consequent pair(s) -- REPORTED, NOT GATED: extraction cannot support these clauses"
]
}
}
}
},
"melody_bands": {
"instrument": "melody_bands",
"version": "melody-bands/1.0",
"available": true,
"reason": "",
"tier": "audio",
"metrics": {
"note_density_per_s": 1.4722,
"note_density_per_sounding_s": 3.0782,
"step_share": 0.6705,
"leap_share": 0.0833,
"interval_class_count": 9,
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"harmonization_density": 0.6983,
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"bands_used": {
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"n": 8,
"why": "purpose class EXPLORATION carries its own band (n=8)",
"source": "build/audio/exemplars/instruments/MELODY_BANDS.json"
},
"verdict": {
"passes": true,
"passes_means": "no axis sits BELOW the corpus p10. It is a FLOOR, not a two-sided gate; see axes_above_band",
"law": "A composed melody must land inside the note-density, interval-mix, contour, phrase-arc, harmonisation and compass bands that the corpus's own melodies occupy -- a few notes slowly played back to back with nothing sounding under them is outside them.",
"per_axis": [
{
"axis": "note_density_per_s",
"value": 1.4722,
"p10": 1.1978,
"p50": 1.9611,
"p90": 2.7039,
"band_source": "EXPLORATION",
"band_n": 8,
"verdict": "IN_BAND"
},
{
"axis": "note_density_per_sounding_s",
"value": 3.0782,
"p10": 2.2247,
"p50": 5.7876,
"p90": 8.1449,
"band_source": "EXPLORATION",
"band_n": 8,
"verdict": "IN_BAND"
},
{
"axis": "step_share",
"value": 0.6705,
"p10": 0.5048,
"p50": 0.5902,
"p90": 0.8515,
"band_source": "EXPLORATION",
"band_n": 8,
"verdict": "IN_BAND"
},
{
"axis": "leap_share",
"value": 0.0833,
"p10": 0.0,
"p50": 0.0911,
"p90": 0.1772,
"band_source": "EXPLORATION",
"band_n": 8,
"verdict": "IN_BAND"
},
{
"axis": "interval_class_count",
"value": 9,
"p10": 6.4,
"p50": 8.5,
"p90": 10.3,
"band_source": "EXPLORATION",
"band_n": 8,
"verdict": "IN_BAND"
},
{
"axis": "contour_turning_rate",
"value": 0.4038,
"p10": 0.3275,
"p50": 0.4254,
"p90": 0.5088,
"band_source": "EXPLORATION",
"band_n": 8,
"verdict": "IN_BAND"
},
{
"axis": "contour_depth",
"value": 6.0,
"p10": 5.0,
"p50": 6.0,
"p90": 7.3,
"band_source": "EXPLORATION",
"band_n": 8,
"verdict": "IN_BAND"
},
{
"axis": "phrase_len_s_median",
"value": 4.284,
"p10": 1.73,
"p50": 2.351,
"p90": 11.056,
"band_source": "EXPLORATION",
"band_n": 8,
"verdict": "IN_BAND"
},
{
"axis": "phrase_peak_position",
"value": 0.264,
"p10": 0.0524,
"p50": 0.1965,
"p90": 0.3501,
"band_source": "EXPLORATION",
"band_n": 8,
"verdict": "IN_BAND"
},
{
"axis": "harmonization_density",
"value": 0.6983,
"p10": 0.4049,
"p50": 0.8248,
"p90": 0.9346,
"band_source": "EXPLORATION",
"band_n": 8,
"verdict": "IN_BAND"
},
{
"axis": "parallel_harmony_share",
"value": 0.4717,
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"band_source": "EXPLORATION",
"band_n": 8,
"verdict": "IN_BAND"
},
{
"axis": "range_semitones",
"value": 14.0,
"p10": 7.282,
"p50": 19.0,
"p90": 31.1,
"band_source": "EXPLORATION",
"band_n": 8,
"verdict": "IN_BAND"
},
{
"axis": "distinct_durations",
"value": 11,
"p10": 5.7,
"p50": 8.5,
"p90": 11.3,
"band_source": "EXPLORATION",
"band_n": 8,
"verdict": "IN_BAND"
}
],
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"axes_above_band": [],
"evidence": [
"tier(s): ['audio']",
"line: 1.4722 notes/s, steps 0.6705, leaps 0.0833, turning 0.4038",
"harmonisation: 0.6983 of sounding time, parallel 0.4717 of lead notes"
]
},
"detail": {
"tiers": {
"audio": {
"version": "melody-bands/1.0",
"tier": "audio",
"path": "D:/audio/ch02_soundtrack/CH02_T4_SasandoFestival_VAR2.wav",
"total_s": 180.0,
"line": {
"extractor": "harmonic-summation predominant melody (rig's block), pYIN cross-check omitted",
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"note_count": 265,
"note_rate_per_s": 1.4722,
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"tenor",
"alto",
"soprano"
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"definition": "share of frames carrying any melodic voice that carry two or more, after octave/unison doublings are folded; grid 50 ms"
},
"parallel": {
"available": true,
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"doubled_share": 0.4604,
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"harmonising_interval_classes": {
"3": 13,
"4": 7,
"5": 33,
"7": 95,
"8": 6,
"9": 8
},
"definition": "share of lead notes with another melodic voice sounding a consonant interval [3, 4, 5, 7, 8, 9] (mod 12, octaves excluded) over >= 50% of the note"
},
"counter_melody": {
"available": true,
"n_melodic_voices": 4,
"voice_bands": [
"bass",
"tenor",
"alto",
"soprano"
],
"mean_pairwise_independence": 0.673,
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"bands_examined": 5,
"note": "a LOWER bound on voices -- two instruments in one register read as one band"
},
"band_note_counts": {
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"tenor": 583,
"alto": 637,
"soprano": 223,
"high": 25
},
"extraction_error": "predominant-melody extraction from dense polyphony is an ESTIMATE, not a transcription; harmonization_density is a LOWER BOUND because two instruments in one register read as one band",
"cached": false
}
},
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"audio": {
"available": true,
"note_count": 265,
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"interval_classes": [
0,
1,
2,
3,
4,
5,
6,
7,
8
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"interval_histogram": {
"0": 122,
"1": 13,
"2": 42,
"3": 14,
"4": 9,
"5": 37,
"6": 5,
"7": 17,
"8": 5
},
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"duration_classes": [
-8,
-7,
-6,
-5,
-4,
-3,
-2,
-1,
0,
1,
4
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"definitions": {
"step_share": "|interval| <= 2 semitones (ECON-05, docs/proposals/music/school_grammars/SNES_JRPG_SCHOOL.md:57)",
"leap_share": "|interval| >= 7 semitones (ECON-05, docs/proposals/music/school_grammars/SNES_JRPG_SCHOOL.md:57)",
"interval_class_count": "distinct |interval| sizes, capped at 12+. A COUNT, not an entropy -- entropy points the wrong way on this corpus",
"contour_turning_rate": "direction changes among moving intervals, per note of the line",
"distinct_durations": "distinct log2 duration classes (mi._dur_class :490); ECON-07 (docs/proposals/music/school_grammars/SNES_JRPG_SCHOOL.md:59) targets <= 4 IN THE HOOK, and this is the WHOLE LINE -- the two are not the same quantity and the comparison is printed, not enforced",
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}
}
}
}
},
"groove": {
"instrument": "groove_instrument",
"version": "groove-instr/1.0",
"available": true,
"reason": "",
"metrics": {
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"syncopation_audio": 0.2667,
"offbeat_weight_share": 0.6,
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"sync_score": null,
"sync_composite": null,
"pulse_score": null,
"interlock": null,
"onset_synchrony": null,
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"hop": 256,
"sr": 22050,
"beats_per_bar_assumed": 4,
"subdiv": 4,
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"tempo_source": "tracked, prior 117.45",
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},
"purpose_class": "EXPLORATION",
"tiers": [
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],
"bands_available": true,
"outside_bands": [
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"offbeat_weight_share 0.6 ABOVE the EXPLORATION p90 0.4657"
],
"honest_label": "MEASURED INSTRUMENT. Nothing here has been listened to. The score tier has no extraction error; the audio tier inherits the beat tracker's grid and says so."
},
"verdict": {
"passes": false,
"law": "A cue must carry a pulse a listener can feel -- present, steady, and articulated against the metre by voices that tile rather than pile -- so that its rhythm is a structure and never merely a rate.",
"tier": "audio",
"evidence": [
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"OUTSIDE THE CORPUS BANDS: syncopation_audio 0.2667 ABOVE the EXPLORATION p90 0.1733; offbeat_weight_share 0.6 ABOVE the EXPLORATION p90 0.4657"
]
}
},
"harmony_fit": {
"instrument": "harmony_fit",
"version": "harmony-fit/1.0",
"available": false,
"reason": "HARMONY FIT IS A SCORE INSTRUMENT AND HAS NO AUDIO TIER. Chord-tone agreement, dissonance classification and parallel-perfect detection all require knowing WHICH NOTES ARE SOUNDING, and docs/proposals/music/craft_research/COUNTERPOINT_AND_VOICE_LEADING.md:559-569 puts exactly those on the not-measurable-from-audio list (GAP 1, polyphonic transcription). Pass --plan. A card-only or audio-only tier here would be an invented proxy for the one thing the research says cannot be recovered from a render.",
"tier": null,
"metrics": {
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"chord_tone_share_all": null,
"dissonance_classifiability": null,
"tension_mean": null,
"tension_p90": null,
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"distinct_chords": null,
"chord_change_entropy": null,
"non_functional_ratio": null,
"supported_share": null,
"parallel_thirds_sixths_share": null,
"undeclared_parallel_perfects": null,
"null_percentile_primary": null
},
"verdict": {
"passes": null,
"law": "A melody is written AGAINST its harmony: its structural tones are members of the chord sounding beneath them at a rate no random draw from its own mode could reach, its non-chord tones are classifiable dissonances, and something is actually sounding that chord while the tune plays it.",
"per_axis": [],
"evidence": [
"HARMONY FIT IS A SCORE INSTRUMENT AND HAS NO AUDIO TIER. Chord-tone agreement, dissonance classification and parallel-perfect detection all require knowing WHICH NOTES ARE SOUNDING, and docs/proposals/music/craft_research/COUNTERPOINT_AND_VOICE_LEADING.md:559-569 puts exactly those on the not-measurable-from-audio list (GAP 1, polyphonic transcription). Pass --plan. A card-only or audio-only tier here would be an invented proxy for the one thing the research says cannot be recovered from a render."
]
},
"detail": {}
},
"loudness_informational": {
"file": "D:\\audio\\ch02_soundtrack\\CH02_T4_SasandoFestival_VAR2.wav",
"cue_class": "EXPLORATION",
"integrated_lufs": -13.71,
"target_lufs": -12.18,
"deviation_lu": -1.53,
"tolerance_lu": 2.61,
"clears_target": true,
"loudness_range_lu": 6.86,
"lra_band": [
2.41,
21.02
],
"clears_lra_band": true,
"true_peak_dbtp": 0.01,
"ceiling_dbtp": -1.0,
"clears_ceiling": false,
"target_resolved_from": "EXPLORATION",
"target_borrowed": false,
"policy_derived": true,
"available": true,
"gate": false,
"why_not_a_gate": "the corpus's own masters are pushed into the ceiling -- MIX_POLICY.json _why_ceiling says so, and the control proves it: EX_022 Wind Scene, a track Josh named, reads -7.69 LUFS against a -12.18 target and +0.25 dBTP against a -1.0 ceiling. A gate that fails the music he loves is measuring the wrong population. The -1.0 dBTP ceiling is a delivery convention for OUR renders, which sum with SFX at runtime; a downloaded commercial-engine master is not under that contract until we master it ourselves",
"corpus_class_distribution": {
"n": 8,
"target_lufs": -12.18,
"min_lufs": -16.34,
"max_lufs": -7.69,
"lra_median": 4.64
}
},
"quotation_screen": {
"label": "benchmark_track",
"verdict": "CLEAR",
"hits": [],
"advisories": [],
"candidate_interval_count": 264,
"signatures_screened": 13,
"seed_set_gaps": [
"LoZ Overworld main phrase",
"SM64 Main Theme (Bob-omb Battlefield)",
"SM64 Dire Dire Docks",
"SMW Athletic",
"SMB Underwater",
"SMB3 Overworld",
"ALttP Hyrule Castle",
"ALttP Kakariko Village",
"OoT Title",
"Hyrule Field",
"Gerudo Valley",
"Great Fairy's Fountain",
"MM Astral Observatory",
"WW Grandma's Theme"
],
"_zero_means": "no SEED signature matched. The seed set is partial and its named gaps are listed; CLEAR is not a clean-room certificate.",
"available": true,
"intervals_screened": 264,
"honest_limit": "the extracted line is an ESTIMATE from dense polyphony, so a real quote can be missed by extraction error and a spurious run can be produced by it. CLEAR here is not a clean-room certificate -- the seed signature set is partial and names its own gaps in seed_set_gaps"
}
},
"wall_verdict": {
"instruments_that_could_decide": 9,
"passing": 7,
"per_instrument": {
"cycle_law": true,
"layer_census": true,
"hook_presence": true,
"noise_structure": true,
"melodic_intelligence": false,
"dynamic_arc": true,
"summit_tests": true,
"melody_bands": true,
"groove_instrument": false
},
"blind_spots": [
{
"instrument": "harmony_fit",
"tier": "NEEDS-SCORE",
"reason": "HARMONY FIT IS A SCORE INSTRUMENT AND HAS NO AUDIO TIER. Chord-tone agreement, dissonance classification and parallel-perfect detection all require knowing WHICH NOTES ARE SOUNDING, and docs/proposals/music/craft_research/COUNTERPOINT_AND_VOICE_LEADING.md:559-569 puts exactly those on the not-measurable-from-audio list (GAP 1, polyphonic transcription). Pass --plan. A card-only or audio-only tier here would be an invented proxy for the one thing the research says cannot be recovered from a render.",
"recoverable": false,
"how": "audio only; the NEEDS-SCORE instruments are unrecoverable for this engine and stay blind spots on every row"
},
{
"instrument": "(none exists)",
"tier": "UNMEASURED",
"reason": "carrier migration -- the melody passed BETWEEN instruments on its returns -- no instrument in the battery identifies WHICH instrument is carrying the tune at a given moment. `instr_melody_bands` extracts ONE predominant line and folds octave doublings; `instr_hook_presence` sees the motif return but not who plays it. Source separation would be the honest route and nothing in this program uses it on the melodic layer.",
"recoverable": false,
"how": "the single clause Josh named most specifically on 2026-08-09 is graded by EAR ONLY. No wall verdict may be read as evidence for or against it."
},
{
"instrument": "(none exists)",
"tier": "UNMEASURED",
"reason": "does the ending SETTLE and hand off to the next track -- `feature_rig.loop_seam` reads the seam and whether a fade was baked in, which is a different question from whether the last phrase resolves. Nothing reads cadence.",
"recoverable": false,
"how": "graded by ear. The seam measurement is reported and must not stand in for it."
}
],
"excluded_from_verdict": [
{
"measurement": "loudness_informational",
"why": "it fails the corpus; see measurements.loudness_informational.why_not_a_gate"
}
],
"what_a_pass_is_not": "Nothing here is a judgement of quality and no listening test stands behind any of it. Three of the four instruments looked for Josh's defect in their own domain and did not find it: the cycle law passes 17 of the 18 tracks he rejected (within-album AUC 0.501), the noise detector fires on 0 of 18 across both tiers with nothing clearing the multiplicity bar, and the layer census saturates near 8 streams where a real cue runs 24 to 40 parts, so it cannot adjudicate the layer clause at all. Sensory roughness came back at chance (0.4963). Structural yield is the axis that separates, and it separates our generator from real music, not good music from filler."
},
"elapsed_s": 121.5
}