{"tonagi":{"app":"material curado","kind":"sequence","schema":1,"createdAt":"2026-09-26T09:00:00Z"},"content":{"id":"B2401D65-5737-58B1-B5A2-555E7788E61A","steps":[{"note":"Equal fifth, 2¢ narrow: a slow wobble, about once a second.","rest":false,"notes":[60,67],"tuningId":"igual","tonicIndex":0,"durationUnit":"free","durationValue":1},{"note":"Pure 3:2 fifth. The wobble is gone — nothing moves.","rest":false,"notes":[60,67],"tuningId":"justo","tonicIndex":0,"durationUnit":"free","durationValue":1},{"rest":true,"notes":[],"durationUnit":"free","durationValue":1},{"note":"Higher up the wobble gets faster. Listen.","rest":false,"notes":[62,69],"tuningId":"igual","tonicIndex":2,"durationUnit":"free","durationValue":1},{"note":"Pure again: still as a held breath.","rest":false,"notes":[62,69],"tuningId":"justo","tonicIndex":2,"durationUnit":"free","durationValue":1},{"rest":true,"notes":[],"durationUnit":"free","durationValue":1},{"note":"Higher still: count the slow waves.","rest":false,"notes":[67,74],"tuningId":"igual","tonicIndex":7,"durationUnit":"free","durationValue":1},{"note":"Pure. This is how string players tune open strings.","rest":false,"notes":[67,74],"tuningId":"justo","tonicIndex":7,"durationUnit":"free","durationValue":1}],"title":"Perfect fifth — pure vs tempered","embeddedTunings":[]}}