A similar music search method, including: extracting an audio feature
value from a compression zone of a music file and generating a music
content summary using the extracted audio feature; classifying a mood and
a genre of the music file by using the generated music content summary;
extracting a similarity feature for a similarity retrieval from the music
content summary; storing an information on the classified mood and a
genre and the extracted similarity feature information in a database;
receiving a query music; detecting the mood and the genre of the query
music; measuring a similarity between the query music and music files
having a mood and a genre identical to the query music by referring to
the database; and retrieving the similar music with respect to the query
music based on the measured similarity.