Mute

To mute the track
click or Enter

Solo

To hear only these tracks
click or Enter

Volume

Change with:

HomeEnd  or   ZX

Or type a value.

Volume fader

Better yet:

• Click volume
• Move fader
• Release mouse button

Instrument

Change instrument with

HomeEnd  or   ZX

Or press Enter

Instruments grid

Even better:

• Click instrument
• Select from list
• Release mouse button