{"tonagi":{"app":"material curado","kind":"sequence","schema":1,"createdAt":"2026-10-04T09:00:00Z"},"content":{"id":"C086F7BA-4756-5066-A30F-254975B77EF9","steps":[{"note":"First hear the chord, Just on the tonic: it rings without beating. Then play the arpeggio note by note against that sound. It sounds an octave up so the phone can play it: tune at the octave.","rest":false,"notes":[55,59,62],"tuningId":"justo","tonicIndex":7,"durationUnit":"free","durationValue":1},{"rest":false,"notes":[43],"tuningId":"justo","tonicIndex":7,"durationUnit":"free","durationValue":1},{"note":"The third: in Just it sits low (major) — about 14¢ under the piano.","rest":false,"notes":[47],"tuningId":"justo","tonicIndex":7,"durationUnit":"free","durationValue":1},{"rest":false,"notes":[50],"tuningId":"justo","tonicIndex":7,"durationUnit":"free","durationValue":1},{"rest":false,"notes":[55],"tuningId":"justo","tonicIndex":7,"durationUnit":"free","durationValue":1},{"rest":false,"notes":[59],"tuningId":"justo","tonicIndex":7,"durationUnit":"free","durationValue":1},{"rest":false,"notes":[62],"tuningId":"justo","tonicIndex":7,"durationUnit":"free","durationValue":1},{"note":"Last note. Turn on Mirror and the sequence walks you back down.","rest":false,"notes":[67],"tuningId":"justo","tonicIndex":7,"durationUnit":"free","durationValue":1}],"title":"Double bass · G major arpeggio","embeddedTunings":[]}}