{
  "base": "spanish-solo-02",
  "bassAudioIdentical": true,
  "themeAudioIdenticalUntilSeconds": 42.429310344827584,
  "sameGuitarPitchesInSameOrder": true,
  "sameFormAndDuration": true,
  "modelsUnchanged": true,
  "changes": "Solo guitar onset arcs (-24 to +52 ms), connecting-note emphasis and release, selected 100 ms phrase-end shortening. No random shifts or new chords.",
  "earlierVersionsPreserved": true
}