1. A tangible, non-transitory computer-readable medium having stored thereon instructions executable by a one or more processors to cause a first control device to perform operations comprising: receiving, via a network interface from a playback device of a zone, data representing first metadata that is associated with a first audio track being rendered by the zone via one or more speakers of the playback device, wherein the playback device is connected to the first control device via a local area network, and wherein the first audio track was selected for playback on the zone by a second control device; displaying, on a user interface of the first control device, (i) the first metadata that is associated with the first audio track that is being rendered by the zone comprising the playback device and (ii) an indication of the zone that comprises the playback device; while the first audio track is being rendered by the playback device of the zone, receiving input data indicating a selection of an item of first metadata from among the displayed first metadata that is associated with the first audio track being rendered, wherein the first control device is not rendering the first audio track; querying one or more media servers for one or more second audio tracks that are associated with second metadata matching the selected item of first metadata, wherein the one or more media servers are associated with at least one streaming media service in a plurality of streaming media services; and displaying, on the user interface of the first control device, an indication of the one or more second audio tracks that are associated with second metadata matching the selected item of first metadata; receiving data indicating a selection at least one second audio track from among the one or more second audio tracks; and causing the playback device of the zone to render the selected least one second audio track via the one or more speakers, wherein causing the playback device to render the selected at least one second audio track comprises sending, via a network interface of the first control device, a command that causes the playback device to stream the selected least one second audio track from the selected streaming media service.