Irwin Chusid (born on 1951-04-22 in Newark, New Jersey, USA) is an author, journalist, music historian, radio maker, producer, and self-described "landmark preservationist". He has researched & published about Ayé Aton, Juan Garcia Esquivel, Jim Flora, Langley Schools Music Project, Raymond Scott, Sun Ra and basebell legend Joe Start. He is also famous for his outsider music project Songs In The Key Of Z and has been a DJ at New York's WFMU radio station since 1975.