5. The method according to claim 4 , comprising: determining a popularity score for each of the plurality of music tracks, wherein the popularity score for a corresponding music track is based on one or both of a total number of search queries for the corresponding music track and clickthrough ratios (CTRs) of web results from the search queries.
5. The method according to claim 4 , comprising: determining a popularity score for each of the plurality of music tracks, wherein the popularity score for a corresponding music track is based on one or both of a total number of search queries for the corresponding music track and clickthrough ratios (CTRs) of web results from the search queries. 6. The method according to claim 5 , wherein at least a portion of the total number of search queries for the music track are performed in a World Wide Web (WWW)-based search corpus.