Media player distribution and collaborative editing

A non-transitory computer-readable storage medium storing one or more instructions which, when executed by one or more processors, cause the one or more processors to perform steps comprising:

• a server computer receiving a playlist from a first client computer, wherein the playlist identifies a plurality of media assets and includes synchronization information that specifies how to present the plurality of media assets as a synchronized media presentation;
• the server computer receiving a request from the first client computer to share the playlist with a second client computer;
• the server computer causing the plurality of media assets to be deposited in a client storage accessible to the second client computer via a background process of the second client computer;
• using the server computer, sending the playlist to the second client computer via a non-background application process;
• using the second client computer, presenting the synchronized media presentation based on the plurality of media assets deposited in the client storage and the synchronization information of the playlist.