{"tonagi":{"app":"material curado","kind":"sequence","schema":1,"createdAt":"2026-10-04T09:00:00Z"},"content":{"id":"395575E5-F42B-5A85-A797-1A746040F30B","steps":[{"note":"Lip slurs on the open horn (written C4–G5, no valves). Just on the concert tonic shows where the natural partials really sit. Written pitch: set Transposition to B♭ first.","rest":false,"notes":[60],"tuningId":"justo","tonicIndex":10,"durationUnit":"free","durationValue":1},{"note":"A fifth above: the natural partial is pure (2¢ above the piano).","rest":false,"notes":[67],"tuningId":"justo","tonicIndex":10,"durationUnit":"free","durationValue":1},{"rest":false,"notes":[72],"tuningId":"justo","tonicIndex":10,"durationUnit":"free","durationValue":1},{"note":"5th partial (the major third): naturally about 14¢ low — that is the pure third, not a fault.","rest":false,"notes":[76],"tuningId":"justo","tonicIndex":10,"durationUnit":"free","durationValue":1},{"rest":false,"notes":[79],"tuningId":"justo","tonicIndex":10,"durationUnit":"free","durationValue":1}],"title":"Trumpet · Natural harmonic series (B♭ written)","embeddedTunings":[]}}