Greg Cohen is a jazz bassist. He is perhaps best known for his work with John Zorn's Masada quartet; more recently he has been touring with Ornette Coleman, and performed on Coleman's much-praised Sound Grammar album. He has also often played traditional jazz, including work with Ken Peplowski, Kenny Davern and the filmmaker/clarinettist Woody Allen. He has worked with many musicians, including Tom Waits, David Byrne, and Elvis Costello.