Patent ID: 7672975

Claim:
A system comprising: a computer readable storage medium; and a playlist of media content stored on the computer readable storage medium, the playlist having a file format comprising: a first portion containing data associated with one or more users of the playlist; and a second portion containing data associated with the playlist, the second portion comprising: a first path to the media content in a first file system; a static portion that contains one or more lists of media content for the one or more users of the playlist; one or more individual identifiers associated with individual media content and configured to update an existing path to the media content that is a subject of the playlist; and wherein the one or more individual identifiers comprise at least one universal content identifier associated with a particular piece of media content or a file system tracking identifier associated with a particular piece of media content; wherein the computer readable storage medium having instructions that, when executed by a processor; to use the individual identifiers to update the first path to the media content in the playlist to create a second path to the same media content in the playlist using the universal content identifier if the media content is stored in a different location in the first file system or in a second file system.