Justin Rubenstein is a musician. He is a member of the band The Petrojvic Blasting Company, which plays American nouveau-folk music. They also compose soundtracks, and are best known for their the soundtrack for the Cartoon Network show "Over the Garden Wall."Before becoming a full-time musician, Rubenstein was a teacher.Rubenstein received his B.A. from the University of Tennessee Knoxville and his M.Ed. from the University of Pennsylvania.