tennis, swimming, running, golf biking hard rock, classical, metal reggae, some punk, a little pop, alternative, old country(like Willie Nelson, Waylon Jennings Kris Kristofferson, Johnny Cash) too many to choose in my cd player now a mix of songs by different groups such as "Albatross" by COC "Only" by Anthrax, "Alone I Break" by Korn to name a few another hard one to narrow down mostly anything that's not a reality show many many different groups