Rivers Cuomo (born June 13, 1970) is an American musician. He is best known for being a member of the rock band Weezer. Cuomo plays electric and acoustic guitar. He also knows how to play drums, bass guitar, clarinet, harmonica, keyboards, trumpet and piano. In 2007 he released an album on his own called "Alone: The Home Recordings of Rivers Cuomo". It is a collection of eighteen demos he made between 1992 and 2007.