🎹 Progression Presets Preset use: Load a common jazz, blues, minor, rhythm changes, or modal progression, then adjust the chord symbols, range, and movement limit for your part. 🎼 Guide Tone Inputs Chord progression Separate chords with spaces, commas, bars, or line breaks. Supports maj7, m7, 7, m7b5, dim7, 6, and m6 symbols. Key center for display Used for the summary label and preset context. Starting octave target Sets the first guide-tone pair near this octave.