Tap to set tempo
Highlight the tempo field of the Edit window’s MIDI controls or the BPM field of the Tempo Change dialog box, and press the T key
Reset your volume to unity or your pan to center
Hold Option/Alt and click on volume or pan control
Record enable a track with a playback cursor
Shift + R
Begin recording
Command/Ctrl + Spacebar, F12, or 3 key on numeric keypad
Clear selected clips in the Clips list
Shift + Command/Ctrl + B
Select a range of clips in the clips list
Hold Shift and select first and last clip
Select or deselect multiple individual clips
Hold Command/Ctrl while clicking clips