| Playback & Transport | |
| Space | Play / Pause playback |
| Left / Right | Skip backward / forward by 1.0 second |
| Shift + Left / Right | Skip backward / forward by 5.0 seconds |
| Home | Rewind to Beat Start line (or Line A if loop is set) |
| Up / Down | Adjust playback speed by ±5% (when no note selected) |
| A-B Looping | |
| [ or I | Set Loop In point (A) at current playhead |
| ] or O | Set Loop Out point (B) at current playhead |
| L | Toggle Loop Mode On / Off |
| Esc | Clear active loop region / deselect notes / close dialogs |
| Transcription & Note Entry | |
| N or Enter | Insert single note at current playhead |
| Delete / Backspace | Delete selected transcribed note(s) |
| . | Toggle Dotted Note modifier |
| Ctrl + 3 | Toggle Triplet Tuplet modifier |
| C | Insert chord marker at current playhead |
| Up / Down | Change pitch of selected note(s) (Scale-aware in Simple Mode, hold Alt for chromatic; semitone in Piano Roll; Shift for ±1 octave) |
| Clipboard & Project Workflow | |
| Ctrl + C | Copy selected note to clipboard |
| Ctrl + V | Paste copied note at current playhead |
| Ctrl + D | Duplicate selected note immediately following |
| Ctrl + A | Select all notes on active track (Piano Roll) |
| Ctrl + Z | Undo last action |
| Ctrl + Y / Shift+Z | Redo undone action |
| Ctrl + S | Save / Export session JSON project file |
| Mixer, Timing & Help | |
| M | Toggle Mute Reference Audio / Active Track Mute |
| S | Solo Transcript Synth / Active Track Solo |
| T | Tap Tempo (calculates running BPM) |
| ? | Toggle this Keyboard Shortcuts cheat sheet |
This will reset everything to default state. All current audio, notes, tracks, and saved progress will be cleared.