A system and computer-implemented method for maintaining a personal media database associated with a user account including media-related information, the method including receiving media-related information regarding a media item from a remote media service, wherein the media-related information comprises rating information regarding the media item, the rating information representing an assessment of the quality of the media item by the user, and the rating information being provided according to a first rating standard, the first rating standard indicating a manner by which media items are rated, converting the rating information according to a second rating standard used at a personal media database, the second rating standard indicating a manner by which media items are rated wherein the second standard is different than the first standard and storing the media-related information including the converted rating information at the personal media database.