Mastering is an art that makes the sound perfect. When there is more than one track in a music album, the process of mastering becomes immensely useful. Even with a single song, mastering can achieve a great deal. Mastering is the last stage of music making where the recorded track is scanned for any kind of deficiencies. The mastered track has consistency and clarity. The mastering engineer edits and fine-tunes the track to make it sound professional. Mastering is the professional touch given to the musical tracks before they are released for the commercial market. It is the packaging given to the musical track. The mastering engineer levels the gap between the songs, improves the volume of track by reducing the noise and adding eq or compression, wherever required. Now the mastering services are available online. The online mastering services are way more accessible than earlier. Music companies have come up with the mastering services on the internet. These services are equally competent and highly convenient as compared to the attended mastering services. The cheap mastering services available online should be availed only after a thorough evaluation. The mastering service providers need to be checked for authenticity. The process of getting the audio tracks mastered is very simple. All one needs to do is to upload the tracks on the mastering sites. Once the mastering is done, they can be downloaded or can be sent to the customer in CD format, on request. The process is easy and is highly useful. When the mastered tracks are played on radio or any other medium, the difference is obvious.