$25.00 This is an add on available for any of the above services. THIS PRICE IS PER SONG to be worked on. Add the corresponding quantity to your order. If its to expedite a particular song out of a project, please add the song title to the notes at checkout. For mixtape mixes or mastering jobs, turnaround will be from same day up to 48 hours depending on when received and quantity. For projects of 4 or more songs allow anywhere from two to five days depending on quantity.