{"tonagi":{"app":"material curado","kind":"sequence","schema":1,"createdAt":"2026-10-04T09:00:00Z"},"content":{"id":"8D29FC4D-8813-5BBF-ACAC-9B7E48F975FD","steps":[{"note":"The app holds C under every step; play the upper note and tune it until it stops beating. Just on C: every degree is a pure interval. Written pitch: set Transposition to F first.","rest":false,"notes":[60],"tuningId":"justo","tonicIndex":5,"durationUnit":"free","durationValue":1},{"rest":false,"notes":[60,62],"tuningId":"justo","tonicIndex":5,"durationUnit":"free","durationValue":1},{"note":"Major third: the pure one sits about 14¢ lower than the piano's.","rest":false,"notes":[60,64],"tuningId":"justo","tonicIndex":5,"durationUnit":"free","durationValue":1},{"rest":false,"notes":[60,65],"tuningId":"justo","tonicIndex":5,"durationUnit":"free","durationValue":1},{"note":"Perfect fifth: pure is almost the piano's (2¢ wider). No wobble.","rest":false,"notes":[60,67],"tuningId":"justo","tonicIndex":5,"durationUnit":"free","durationValue":1},{"note":"Major sixth: pure sits about 16¢ low.","rest":false,"notes":[60,69],"tuningId":"justo","tonicIndex":5,"durationUnit":"free","durationValue":1},{"note":"Major seventh over the tonic: low and calm here, unlike the melodic leading tone.","rest":false,"notes":[60,71],"tuningId":"justo","tonicIndex":5,"durationUnit":"free","durationValue":1},{"note":"Octave. Last note. Turn on Mirror and the sequence walks you back down.","rest":false,"notes":[60,72],"tuningId":"justo","tonicIndex":5,"durationUnit":"free","durationValue":1}],"title":"Horn · C major scale over a drone (F written)","embeddedTunings":[]}}