1. A method for summarizing a music content, comprising: extracting an audio feature value from a compressed segment of music data, from a plurality compressed segments of the music data; tracking change points of a music content of the music data using the extracted audio feature value and re-configuring the segments of the music data; selecting a fixed length fragment from each of the reconfigured segments and clustering the selected fragments so as to measure similarity and redundancy between respective segments; and generating a summary of the music content using a segment selected based on the measured similarity and redundancy between the respective segments.