http://www.sonicyouth.com/mustang/lp/index.html
click "web downloads" at the top. don't get too excited, it's just a list. but it's a pretty list! which i guess i have to update now.
as for getting the tracks, the band and forum admins have requested that these not be freely distributed. so unless you're ok as ok... (and backwards)
edit: satan beat me to it! all for want of a lame cryptic instruction.