This docking window lets you edit the master properties. These properties are saved in the document. To edit a property, left-click it and change its value. To save your edit, press Enter or Tab, or left-click outside the property being edited. To cancel your edit, press Escape. While you're editing a property, the arrow keys may have different meanings. For example, for numeric edits and drop lists, the up/down arrows scroll through the possible values. If you're not editing a property, the up/down arrows navigate through the list of properties. To edit the currently selected property, press Tab.
Master properties
| Tempo | Tempo, in beats per minute |
| Timebase | Time division, in ticks per quarter note |
| Meter | Number of beats in a measure |
| Key Signature | Key in which notes are displayed |
| Song Length | Song duration in hh:mm:ss format |
| Start Position | Starting position of song in beats and ticks |
| Note Overlap | How to handle overlapping instances of the same note on a channel |
| Record Offset | Offset added to recorded MIDI event times during playback, in ticks |
| Loop From | Starting position of loop, in beats and ticks |
| Loop To | Ending position of loop, in beats and ticks |