The 7A3 a hip hop group based out of Los Angeles, California, which released one album in 1988 called Coolin' in Cali. It was originally composed of brothers Brett and Sean Bouldin, and DJ Muggs, who later achieved greater fame with Cypress Hill was recruited by Brett B and joined the group. All originally hailed from New York—Brooklyn and Queens, respectively.Brett Bouldin founded the group and later wrote Cypress Hill's "Hand On The Pump".