I guess I'm open minded.... Here are some random bands that I listen to outside of metal...
Slipknot, Staind, Pink Floyd, Black Sabbath, Cold, U2, Van Halen, Bach, Beethoven, Tchaicovsky (I know I butchered that name..), Madonna, Linkin Park, AFI, Misfits, Finch, Rufio, Thrice, Hatebreed...