let's see.... Tommy Emmanuel it obviously the king of acoustic, so everything he plays.
embryo and orchid by black sabbath, played by toni iommi. on the album master of reality i think
classical gas
Los by rammstein, even though it's ger
the intro and interludes of roundabout by yes are really cool.
listen to the music by the doobie brothers. actually all their acoustic stuff, which is basically all of it is really great.
kind of all i can think of right now