Sonos Multi-Room Music System - Manual (Page 15)

Chapter 1: Overview 1-7
Previous Zone Shift + Command + Up Arrow
Radio Command + 4
Repeat Option + Command + R
Schedule Music Index Updates Shift + Command + U
Set Up Music Library Shift + Command + M
Set Up Zones Shift + Command + Z
Shuffle Option + Command + S
Sleep Timer Shift + Command + S
Sonos Playlists Command + 3
Unmute All Zones Option + Shift + Command + Up Arrow
Update Music Index Now Shift + Command + I
Volume Down Command + Down Arrow
Volume Up Command + Up Arrow