Stephen Rojas, who goes by the aliases “1999BEATS” and “ROJAS 4xx,” is a prominent producer hailing from Massachusetts. His reputation is solidified through collaborations with notable artists like Tay-K, Pimpyz, and Cardiac The Ghost. Among his extensive portfolio, one of the standout tracks he produced is “Biff Xannen” by Tay-K, which holds the distinction of being Tay-K’s inaugural release. Rojas has also contributed to other well-received songs by Tay-K, including “Sly Cooper,” “Too Fast,” and “Spyro.”