Related Information for Hash There are four artists named HASH:1. Hash is a rock band who released their self-titled CD on Elektra Records in 1993, produced by Tom Werman for Julia's Music.2. Hash is a rapper who is signed to Cosa Nostra Entertainment. He is also part of the group I-Mac which is signed under the same label.His offical myspace is Hash is a beatmaker from Toronto, Canada. His official Facebook page is at.. read more