Thomas Henry Corra, better known as Tom Cora, was an American cellist and composer, best known for his improvisational performances in the field of experimental jazz and rock. He recorded with John Zorn, Butch Morris, and the Ex, and was a member of Curlew, Third Person and Skeleton Crew.

The Ex is an underground band from the Netherlands, started in 1979 at the height of the original punk explosion as a Dutch punk band. The Ex originated from the squatting movement in Amsterdam and Wormer, and was inspired by bands like The Fall and The Mekons.