Patent ID: 8319084

Claim:
A method of separating and mixing tracks within an pre-recorded, multi-track recording, the method comprising: obtaining audio files including a multi-track digital audio file of a preselected piece of music having (i) an isolated instrument audio track containing only audio from the isolated instrument; and, (ii) an emulation audio track consisting of the multi-track digital audio file having the isolated instrument audio track removed; and, transforming the multi-track digital audio file to include a variable gain ratio to mix any of a variety of ratios of volumes between (i) the isolated instrument audio track and (ii) an emulation audio track to assist the user in studying the isolated instrument audio track, the gain selection in each of the tracks being one of at least three settings that range from a minimum to a maximum; wherein, the method provides the user with the tools to separate and mix one or more audio tracks within the pre-recorded, multi-track recording.