It is like photoshop for music recordings! I honestly didn't know that music software was at this level of sophistication. Well the video explains it... but imagine taking a complex symphony orchestra recording and deciding that the 2nd trumpet part just didn't do it for you. They should have played triplets instead of straight 8ths... or maybe instead of the first violin part jumping up by a 5th you think it would sound better as a 4th. This software can isolate individual notes from individual instruments and you can move them, copy and paste them, change the rhythm or pitch... it is just incredible!