Music identification

A method, comprising:

• receiving a request from a client device to add a song to a user account, the request including a plurality of data items of the song;
• performing a first match search for a hash pair of the song, the hash pair comprising a content hash of an entire music data file of the song and a metadata hash of metadata of the song, and the first match search being performed on a database having a plurality of preprocessed hash pairs corresponding to songs in a master repository of an online music provider, each of the preprocessed hash pairs having a logical link corresponding to a song in the master repository;
• and
• associating the song to the user account when the first match search identifies the song to be in the master repository.

A server, comprising:

• memory and a processor, the processor configured to execute program instructions for,
• receiving a request from a client device to add a song to the user account, the request including a plurality of data items of the song, the plurality of data items including a hash pair comprising a content hash of an entire music data file of the song and a metadata hash of metadata of the song;
• performing a first match search for a hash pair of the song, the first match search performed on a database having a plurality of preprocessed hash pairs corresponding to songs in a master repository of an online music provider, each of the preprocessed hash pairs having a logical link corresponding to a song in the master repository;
• associating the song to the user account when the first match search identifies the song to be in the master repository.