The user interface(s) 440 of a controller device may be configured to facilitate user access and control of the MPS 100, by providing controller interface(s) such as the controller interfaces 440a and 440b shown in FIGS. 4B and 4C, respectively, which may be referred to collectively as the controller interface 440. Referring to FIGS. 4B and 4C together, the controller interface 440 includes a playback control region 442, a playback zone region 443, a playback status region 444, a playback queue region 446, and a sources region 448. The user interface 400 as shown is just one example of a user interface that may be provided on a network device such as the controller device shown in FIG. 4A and accessed by users to control a media playback system such as the MPS 100. Other user interfaces of varying formats, styles, and interactive sequences may alternatively be implemented on one or more network devices to provide comparable control access to a media playback system.
The playback control region 442 (FIG. 4B) may include selectable (e.g., by way of touch or by using a cursor) icons to cause playback devices in a selected playback zone or zone group to play or pause, fast forward, rewind, skip to next, skip to previous, enter/exit shuffle mode, enter/exit repeat mode, enter/exit cross fade mode. The playback control region 442 may also include selectable icons to modify equalization settings, and playback volume, among other possibilities.
