Mastering is the process of converting the source code having the final mix into a data storage device or a Master. The master is then used for making copies through duplication, replication or pressing. Mastering is essential to bring out the quality of the music. While recording certain nuances of the song may stay uncorrected. This may be attributed to the constant hearing of the songs by the recording engineer. The mastering corrects them and makes the song professional sounding. Mastering is performed by the mastering engineers, who have years of experience in the fields. The mastering engineer listens to the songs with his trained set of ears. By listening to the sound, the master engineer is able to detect and rectify the sound wherever it is due. The master engineer performs the mastering in a well equipped studio comprising of such advanced equipments like the equalizer, compressor and the like. Mastering renders to the song a professional quality. Eq and compression is given to the song to make it sound clear and loud. However the master engineer knows better not to compress the sound so much to disturb its dynamics. The whole finishing provided by the mastering process makes it eligible to be played on any medium and not just on which it was recorded. Mastering makes the song radio ready and all set for the competitive music industry. The professional sounding musical tracks make every musician understand the importance of the mastering process. best audio mastering is essential if the song has to capture the attention of the audience.