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This paper describes MP3 encoding, which allows compressed digital music and speech files to be stored and played on a variety of media, including personal computers and portable MP3 players. In music, there are different genres, and each genre has different characteristics based upon the range frequencies contained in the music. MP3 encoding can have different perceived effects for each genre of music. Using this information, smaller MP3 files can be created while maintaining, or in some cases improving, perceived quality. File creation time and drive-space usage are reduced while sound quality is retained thus providing a pleasurable listening experience. Thus from the experimental results, the listeners of more dynamic classical pieces and rap music encodes some tracks at higher bit rates.