Sonos+ is a new iPhone / iPad lock screen widget coming soon. This widget will allow you to control and group your rooms from the today view. If anyone wants to beta
Sonos Mobile App Works on Lock Screen
Sonos iPhone lock screen controls added plus 3D Touch - SlashGear
Sonos adds Lock Screen Controls to iOS App - The Mac Observer
Sonos lock screen controls Fixed on ios - John Large - Technology, Hardware,Web Development, Digital Privacy & Ethics
Sonos - Apps on Google Play
Sonos working with Apple to fix lock-screen controls | Trusted Reviews
Sonos Controller for iOS gains lock screen control access, new 3D Touch + Split View features, more - 9to5Mac
Sonos iOS App Gets Force Touch, Lock Screen Controls | Digital Trends