You'll want to find a program that allows you to mix multi-track recordings such as Adobe Audition. There are also free programs available such as Audacity.
You'll want to contact Mativision about this issue.
There is no video content on the DVD.. only the high-resolution audio. (No picture, no menu, etc.)
It's up close and personal.
You can see some behind the scenes photos from the meet & Greets in the gallery here (Candids from the band and crew)