主权项 |
1. A method comprising:
receiving, by a controller device from a playback device of a media playback system, a transmission indicating a group identification associated with a zone group, wherein the playback device is capable of being a group coordinator for coordinating synchronous playback of media content by one or more playback devices; and storing, by the controller device, in data storage, data indicating that the playback device is in the zone group. |