text: Phish 's music blends elements of a wide variety of genres , including rock , jazz , progressive rock , psychedelic rock , hard rock , funk , folk , bluegrass , reggae , country , blues , avant garde , barbershop quartet and classical .
simplified: It has elements of a variety of genres , including rock , jazz , funk , progressive rock , bluegrass , country , reggae , blues , Latin , and psychedelic rock .