Cypher Circuit has teamed up with @CoastLoCastro for limited edition Boombap Rap Challenge. We are calling this one OL’ HEAD BARS. Choose your favorite instrumental off of Coast’s recent album Ol’Head, record yourself spitting bars, and upload it to Instagram using the #OLHEADBARS hashtag. We are giving away an official Ol’Head Snapback, a copy of the album and $100 CASH. Submit your video before Nov. 16th for the chance of a repost and to win the prize. Sponsored by #CypherCircuit #MurderTheBeat.