Zone group control

A tangible, non-transitory computer-readable medium having stored thereon instructions executable by a one or more processors to cause a playback device of a media playback system to perform a method comprising:

• receiving, via a network interface from a native controller executing on a first mobile device, an instruction to add one or more audio tracks to a queue in a data storage of the playback device, wherein, in a first mode associated with the native controller, the playback device is configured to play back from the queue;
• while the one or more audio tracks are in the queue, receiving, via the network interface from a controller of a streaming media service, an instruction to play back a playlist of one or more audio tracks from one or more servers of the streaming media service, wherein the controller of the streaming media service is executing on (a) the first mobile device or (b) a second mobile device;
• in response to the instruction to play back the playlist, (i) configuring the playback device to play back in a second mode associated with the controller of the streaming media service, wherein, in the second mode, the queue is not in use and (ii) playing back the playlist via one or more speakers;
• while playing back a particular audio track of the playlist via the one or more speakers, detecting a loss of control of the playback device by the controller of the streaming media service;
• and
• in response to detecting the loss of control of the playback device by the controller of the streaming media service, configuring the playback device to play back in the first mode.

A method to be performed by a playback device of a media playback system, the method comprising:

• receiving, via a network interface from a native controller executing on a first mobile device, an instruction to add one or more audio tracks to a queue in a data storage of the playback device, wherein, in a first mode associated with the native controller, the playback device is configured to play back from the queue;
• while the one or more audio tracks are in the queue, receiving, via the network interface from a controller of a streaming media service, an instruction to play back a playlist of one or more audio tracks from one or more servers of the streaming media service, wherein the controller of the streaming media service is executing on (a) the first mobile device or (b) a second mobile device;
• in response to the instruction to play back the playlist, (i) configuring the playback device to play back in a second mode associated with the controller of the streaming media service, wherein, in the second mode, the queue is not in use and (ii) playing back the playlist via one or more speakers;
• while playing back a particular audio track of the playlist via the one or more speakers, detecting a loss of control of the playback device by the controller of the streaming media service;
• and
• in response to detecting the loss of control of the playback device by the controller of the streaming media service, configuring the playback device to play back in the first mode.