Bradley Adam "Brad" Rubinstein (born August 24, 1972; Milford, Surrey, England; Hebrew name: Binyamin Adam) is an English Jewish guitarist, songwriter, and producer based in Beit Shemesh, Israel. Initially gaining fame with the short-lived East London trip hop band Lisp, he moved to Israel after becoming a baal teshuvah and co-founded the Jewish hip hop group Shtar.