After making a name for himself on the underground circuit for the past several years, Philadelphia-based MC AR-AB is looking to thrust himself into the mainstream. This comes after the was famously name-dropped on Drake’s “Back To Back” and yielding a major cosign from Birdman CEO of Cash Money Records. Now, with the lead single from his forthcoming major label debut on the horizon, AR-AB serves an appetizer for new listeners and his day one fans in the form of “Protocol Vol.1.” The 11-track project is filled with all original music and showcases the Philly rhyme-spitter’s musical growth.