Black Sabbath, 'Sabotage' (1975)
Sabotage is just a very heavy record. There's so much good stuff on there. As I picked these records, I picked the ones I'm compelled to play if I'm working out or driving, and Sabotage was my choice for Black Sabbath. It has "Megalomania," "Symptom of the Universe," which has definitely got attitude, "Hole in the Sky." And it has the instrumental "Supertzar." I love that one. It grips me for some reason.