A lot of the classics, Mozart, Vivaldi, Holst, etc. but have to change it up with classic rock from Steve Miller, Dan Hicks and his Hot Licks, Hot Tuna, and then throw in some Willie Nelson, Merle Haggard, Taj Mahal, Eric Clapton, Mississippi Fred McDowell and B. B. King. Oh, and lest I forget, The Dead and the Jefferson Airplane.
I go with heavy metal music. Phil posted a photo of him in his heavy metal days and we all know what he can do. It has not worked for me yet, any day now, I'll keep you posted.