1. A first zone player, comprising: a network interface configured to interface the first zone player with a network; one or more processors; and a tangible, non-transitory computer-readable memory having instructions stored thereon that when executed by the one or more processors cause the first zone player to: receive control information via the network interface; in response to receiving the control information via the network interface, enter into a synchrony group with a second zone player; and after entering into the synchrony group with the second zone player, (i) receive, from the second zone player, audio information, playback timing information, and device clock information of the second zone player and (ii) play back the audio information in synchrony with the second zone player using the playback timing information and the device clock information, wherein the first and second zone players remain independently clocked during playback.