MusyX Documentation by antidote at 8:17 PM EST on March 4, 2015
During our efforts to document the AGSC format for Metroid Prime 1 we discovered something extremely important: It's an archive for the MusyX formats pool, proj, samp, and sdir. As a result we've been able to come up with a fairly comprehensive documentation on it. If you wish to see it it's here: http://www.metroid2002.com/retromodding/wiki/AGSC_(File_Format)