{
 "generated": "2026-09-08",
 "subject": "Watermelon In Easter Hay drum tab, Songsterr s6857183 r8970744",
 "shipped_file": "~/Projects/_outputs/zappa-watermelon-hat-snare-repair/out/RECONCILED-s6857183-Brandon-edit.gp",
 "shipped_sha256": "bc5ce3de02153f39485d2e4324c0c45f4cc7237f779adfc3c3b3e1dd76b8548f",
 "cost": {
  "date_span": "2026-08-31 to 2026-09-08",
  "project_sessions": 120,
  "watermelon_sessions": 55,
  "watermelon_transcript_mb": 289.4,
  "share_of_project_transcript_pct": 78,
  "assistant_turns": 26339,
  "output_tokens": 31400847,
  "cache_write_tokens": 144485079,
  "cache_read_tokens": 9417850850,
  "total_tokens": 9593790124,
  "cache_read_to_output_ratio": 300,
  "sessions_over_1000_turns": 3,
  "sessions_over_500_turns": 14,
  "longest_session_turns": 3521,
  "longest_session_span": "2026-09-01 04:59 to 2026-09-06 16:18",
  "analysis_scripts": 103,
  "build_gp_scripts": 13,
  "verify_gp_scripts": 14,
  "published_routes": 48,
  "spectrogram_cache_gb": 3.8,
  "self_excluded_session": "a13ba186 (this audit) removed from every count",
  "provenance": "summed from the usage block of each assistant message across 120 .jsonl files in ~/.claude/projects/-Users-brandonchavez/; sample object at 04e0fedb-076f-43e2-be22-d2f629ec230c.jsonl:56"
 },
 "root_cause": {
  "claim": "The tab carries one tempo automation at 56.000 bpm for a live take that averages about 55.30 bpm.",
  "tab_bars": 105,
  "time_signatures": {
   "4/4": 53,
   "5/4": 52
  },
  "tempo_automations": 1,
  "tab_bpm": 56.0,
  "tab_duration_s": 505.7,
  "recording_duration_s": 545.3,
  "drums_enter_s": 41,
  "drift_fit": {
   "slope_s_per_bar": 0.0604,
   "intercept_s": 37.5,
   "total_drift_s": 6.29,
   "residual_std_s": 0.211,
   "windows_accepted": 16,
   "windows_tested": 20
  },
  "implied_performance_bpm": 55.303,
  "tab_fast_by_pct": 1.26,
  "accepted_offsets_s": [
   38.04,
   38.16,
   38.44,
   38.84,
   39.21,
   39.48,
   39.93,
   40.11,
   41.53,
   41.78,
   42.09,
   42.49,
   42.76,
   42.9,
   42.98
  ]
 },
 "the_test": {
  "detector": "1024-pt Hann, 256 hop, 44.1 kHz, positive spectral flux in band, 97th pct peaks, 120 ms refractory, 50 ms match tolerance",
  "kick": {
   "fixed_offset_rate": 0.152,
   "drift_map_rate": 0.396,
   "improvement_x": 2.6,
   "guitar_control_rate": 0.134,
   "discrimination_x": 2.95
  },
  "snare": {
   "fixed_offset_rate": 0.157,
   "drift_map_rate": 0.358,
   "improvement_x": 2.28,
   "guitar_control_rate": 0.113,
   "discrimination_x": 3.18
  },
  "promotion_floor_x": 1.5
 },
 "blocked_verdicts_all_measured_on_the_broken_clock": {
  "alignment_gate": {
   "verdict": "UNUSABLE",
   "rate": 0.336
  },
  "coda_discrimination_x": 1.15,
  "ride_per_event_x": 1.46,
  "tom_pan_best_pair_x": 0.73
 },
 "still_wrong_in_the_shipped_gp": [
  {
   "id": "coda-kick-hole",
   "bars": "98 to 104",
   "recording": "8:25 to 8:58",
   "measured_on": "metronome-anchored clock",
   "tab_notes": 8,
   "stem_attacks": 35,
   "guitar_bleed_control": "WITHDRAWN. Previously stated as zero in six of seven bars. The eye shows the guitar playing in bars 98, 99, 100 and 104, and silent in 101 to 103.",
   "superseded": "An earlier pass this session, on the weaker onset-derived clock, read this as bars 98 to 103 and 56 attacks, and called bar 104 correctly empty. Bar 104 carries 5 kick and 4 tom onsets. Only bar 105 is correctly empty.",
   "tab_notes_by_bar": {
    "98": 3,
    "99": 2,
    "100": 1,
    "101": 1,
    "102": 0,
    "103": 1,
    "104": 0
   },
   "corrected": "First publication said 7 tab notes. coda.json holds 8. Caught by Brandon 2026-09-08 and verified against the live coda.json.",
   "stem_attacks_withdrawn": {
    "value": 81,
    "reason": "spectral-flux detector at the 95th percentile, never rendered or read. It bundled 12 snare onsets fired on a flat trace and cymbal marks on a decaying wash."
   },
   "eye_gated": {
    "method": "envelope above 10 percent of that stem's own peak in the window, 100 ms separation, rendered to PNG and read",
    "kick_per_bar": [
     6,
     7,
     4,
     6,
     6,
     5,
     5
    ],
    "kick_total": 39,
    "toms_per_bar": [
     11,
     5,
     4,
     6,
     6,
     7,
     8
    ],
    "toms_total": 47,
    "kick_plus_toms": 86,
    "snare_per_bar": [
     2,
     1,
     0,
     0,
     0,
     0,
     0
    ],
    "cymbals_per_bar": [
     23,
     2,
     3,
     2,
     0,
     2,
     0
    ],
    "guitar_per_bar": [
     38,
     2,
     7,
     0,
     0,
     0,
     7
    ],
    "guitar_total": 54,
    "bleed_proof_bars": "101 to 103",
    "bleed_proof_attacks": 36,
    "bleed_proof_guitar": 0
   },
   "stem_attacks_definition": "author-calibrated kick attacks only; toms, snare and cymbal coda content all withdrawn",
   "images": [
    "coda-flux-pass.png",
    "coda-eye-gated.png"
   ],
   "kick_per_bar": [
    7,
    4,
    5,
    3,
    5,
    6,
    5
   ],
   "tab_kick_written": 5,
   "magnitude_x": 7.0,
   "toms": {
    "surviving": 0,
    "withdrawn": 47,
    "why": "coda tom stem peaks at 20.5% of its bars 1-97 peak; the author-calibrated threshold sits at 33%"
   },
   "kick_level": "coda kick peaks at 91.4% of its bars 1-97 peak",
   "retired_figures": [
    {
     "value": 81,
     "why": "spectral-flux detector at the 95th percentile, never rendered"
    },
    {
     "value": 86,
     "why": "eye-gated, but the 10% threshold was cut from the coda window itself (R1 self-referential)"
    },
    {
     "value": 39,
     "why": "per-bar refractory reset double-counted strokes straddling a bar line"
    }
   ]
  },
  {
   "id": "three-hand",
   "count": 16,
   "bars": [
    29,
    41,
    45,
    49,
    52,
    53,
    54,
    55,
    56,
    57,
    85,
    89
   ],
   "shape": "snare or tom, plus tom hi mid, plus ride, on one instant",
   "note": "Two hands cannot strike three surfaces at once. Fifteen of sixteen pair a ride with a snare and a tom."
  },
  {
   "id": "tempo-map",
   "count": 1,
   "note": "One automation at 56.000 bpm across a live performance that drifts. It CONCEALED and CONFUSED the other two defects rather than producing them: the 16 three-surface collisions were written into revision r8968524, and the missing coda notation is absent from the GP on its own terms."
  }
 ],
 "gp_census_independent": {
  "drum_track": "Vinnie Colaiuta (track id 8)",
  "total_drum_notes": 2770,
  "voice_0": 1889,
  "voice_1": 881,
  "by_midi_lane": {
   "51 ride": 1522,
   "36 kick": 492,
   "40 snare": 293,
   "44 pedal hat": 245,
   "48 tom hi mid": 81,
   "49 crash": 50,
   "43 tom high floor": 46,
   "50 tom high": 30,
   "47 tom low mid": 4,
   "45 tom low": 4,
   "41 tom low floor": 1,
   "57 crash 2": 1,
   "46 open hat": 1
  }
 },
 "the_fix": {
  "artifact": "tempomap.json",
  "method": "per-bar offset search on kick plus snare onsets, monotone by construction, 5 ms steps, 50 ms match tolerance, guitar stem as wrong-stem control",
  "bars": 105,
  "offset_first_s": 38.0,
  "offset_last_s": 42.14,
  "total_drift_s": 4.14,
  "kick_snare_match_per_bar_map": 0.5210191082802548,
  "kick_snare_match_best_fixed_offset": 0.27388535031847133,
  "improvement_x": 1.9,
  "guitar_control": 0.15796178343949044,
  "discrimination_x": 3.3
 },
 "metronome_stem": {
  "question": "Do we need metronome tracks for the Zappa work?",
  "answer": "No new ones. Moises already exported one, and it beats every other clock tested.",
  "path": "/Users/Shared/206 Watermelon in Easter Hay-E major-112bpm-442hz/206 Watermelon in Easter Hay-metronome-E major-112bpm-442hz.wav",
  "clicks_detected": 997,
  "span_s": [
   0.75,
   544.07
  ],
  "median_ioi_s": 0.54,
  "median_bpm": 111.11,
  "half_time_bpm": 55.56,
  "ioi_quantization_ms": 20,
  "first_verdict_withdrawn": "I called the 20 ms interval quantization too coarse to be a ruler. That was wrong. Absolute click positions track the take even when the intervals are rounded, and the head-to-head below settles it.",
  "corrected_by": "Brandon, mid-session: metronome wins on exactly the song where the onset clock was weakest."
 },
 "three_clocks_head_to_head": {
  "metric": "kick plus snare onset match rate, 785 tab events, 50 ms tolerance, identical detector",
  "flat_56bpm_best_fixed_offset": 0.274,
  "onset_derived_per_bar_map": 0.521,
  "metronome_anchored_map": 0.684,
  "metronome_guitar_control": 0.196,
  "metronome_discrimination_x": 3.49,
  "metronome_anchor_click_index": 51,
  "metronome_bar1_s": 36.87,
  "metronome_bar105_start_s": 538.23,
  "onset_map_frozen_bars": 50,
  "onset_map_frozen_of": 105,
  "why_onset_map_is_blind": "It aligns using tab events. Bars 101 to 105 carry two tab kick or snare events between them, so it had nothing to align with in the exact region under investigation. The metronome carries 74 clicks after t=505 s and needs no tab notes at all.",
  "by_region": [
   {
    "bars": "1-30",
    "n": 189,
    "onset_map": 0.704,
    "metronome": 0.894
   },
   {
    "bars": "31-60",
    "n": 239,
    "onset_map": 0.573,
    "metronome": 0.791
   },
   {
    "bars": "61-90",
    "n": 284,
    "onset_map": 0.366,
    "metronome": 0.489
   },
   {
    "bars": "85-97",
    "n": 118,
    "onset_map": 0.441,
    "metronome": 0.508
   },
   {
    "bars": "90-105",
    "n": 84,
    "onset_map": 0.488,
    "metronome": 0.571
   },
   {
    "bars": "95-105",
    "n": 37,
    "onset_map": 0.351,
    "metronome": 0.514
   }
  ]
 },
 "scope_note": "40 UNUSABLE occurrences across 10 transcripts are mostly a DENSITY gate (baseline above the 35% ceiling), quoted at 04e0fedb:1210 and 04e0fedb:1296. The alignment gate is separate; its UNUSABLE at 0.336 is in watermelon-reconcile/real_gates.json. This page repairs the alignment clock and does not re-test the density findings.",
 "finite_remaining_work": [
  {
   "n": 1,
   "step": "Write the metronome map into the working GP",
   "queue": "q-2026-09-08-cddb5a"
  },
  {
   "n": 2,
   "step": "Transcribe bars 98 to 104 against that clock",
   "queue": "q-2026-09-08-577c81"
  },
  {
   "n": 3,
   "step": "Resolve the sixteen three-surface collisions",
   "queue": "q-2026-09-08-baae9d"
  },
  {
   "n": 4,
   "step": "Recheck the 202 disputed ride notes",
   "queue": "q-2026-09-08-c9d5f7"
  },
  {
   "n": 5,
   "step": "One final stem-matched playability audit",
   "queue": "q-2026-09-08-85d746"
  }
 ],
 "finite_remaining_work_scope": "Set by Brandon 2026-09-08. Closed list. No further detector unless one of these five edits produces contradictory evidence.",
 "eye_over_detector": "Stop gate G49 (a detector result that disagrees with the eye defers to the eye) forced a render-and-read pass on 2026-09-08. It withdrew three published claims and left the conclusion firmer.",
 "reference_class": {
  "skill": "/reference-class",
  "calibration": "threshold fitted on 96 author-written bars, MAE 0.90 notes/bar, bias -0.02",
  "R1": "PASS, threshold from the author",
  "R2": "PASS, 35 against 5 is 7.0x",
  "R3": "PASS, 5.0 kicks/bar vs author median 5",
  "R4": "PASS, 35 of 20333 local maxima, 0.2%",
  "R5": "PASS, guitar stem 10, silent tail 0",
  "R6": "PASS, final_kick.py",
  "verdict": "PASS on all six for kick; STOP on all six for the withdrawn 47 toms",
  "third_null": "circular shift of 137 s returns 37 vs 35, ratio 1.05x. That null asks whether the window is unusual for this song, which the claim never required."
 }
}