All sorts of music, I just listen to my mp3 player when exercising. So lots of different bands, singers and film score music. ^ Even some Marina and the Diamonds too.
A sample of the bands/music that come up on shuffle:
Edith Piaf, Only God Forgives film score, Marina and the Diamonds, The Social Network film score, Marilyn Manson, Tron: Legacy film score, Blondie, Bjork, Lacuna Coil, The Doors, Ender's Game film score, Lana Del Rey, Inception film score, Meg Myers, Rob Zombie, Sigur Ros and so on.