So, you've all by now probably seen the DIY Extras tutorial on my posts for Jammit.
I use that method for the ones I upload for you (which is kind of random, unless someone requests the DIY extras)
However I've decided to release the method I personally use to clean the DIY Extras when I'm going to use them for a remix, mashup, or for any games (such as customs for Rockband).
It's basically, making two different versions of the DIY Tracks, and removing the differences between those two tracks, which would be the static sound you hear from the inverted tracks.
Here's the video explanation/tutorial:
And for those asking me about more than two parts:
Again if you want any Jammit songs to be moved ahead of the Alphabetical Order line I'm doing, please send me a message on here, email at burntscarr@burntscarr.com or comment on the song list.