Methods, systems, and apparatuses, including computer programs encoded on computer-readable media, for receiving a plurality of metadata associated with a plurality of media items. Each metadata includes a ranking score and a resource locator of the media item. Queuing media item identifiers based on the plurality of metadata and ordering the queue based on the ranking scores. Retrieving a portion of a highest-ranking unplayed media item and providing the portion to a content playback device. Receiving vote indications for an unplayed media item. The ranking score of the unplayed media is updated item based on the received vote indications. The unplayed media items are reordered in the queue based upon the updated ranking score of the unplayed media item. Retrieving a portion of a highest-ranking unplayed media item in the reordered queue and providing the portion to a content playback device.