These mp3 files were extracted from the original shockwave files from thingsfallingapart.com. They are named based on the files they were acquired from.

tfamain.swf -> tfamain_swf.mp3

This track has previously been referred to as The New Flesh A.

sub.jpg -> sub_jpg.mp3

This track has previously been referred to as The New Flesh B. The shockwave file was labelled as a jpg, but is actually shockwave content. I believe this was an attempt at obfuscation.