{
 "alignment": "UNUSABLE",
 "align_detail": {
  "verdict": "UNUSABLE",
  "matched": 115.0,
  "rate": 0.3362573099415205
 },
 "wrong_recording_rate": null,
 "positions_tested": 63,
 "positions_with_onset": 42,
 "by_drum": {
  "48": 2,
  "36": 6,
  "40": 34
 }
}