The Guardian Legend (NES) Music Soundtrack Playlist OST Original Soundtrack. The Guardian Legend is a hybrid action-adventure/shoot 'em up video game developed by Compile for the Nintendo Entertainment System (NES). It is the sequel to the MSX game Guardic, and was published and released in Japan by Irem in , in North America by Brøderbund in , and in Europe by. original-soundtrack. That is the link of a site that offers music from popular games and series without the B.S. Should offer every track for everyone wanting the Original Sound Track. Hope someone gets some enjoyment from it!.