Dream Team Killer, Pina Records, Ole Music, Diamond Collections
Master Joe (Joel Hernández Rodríguez) and O.G. Black (Adolfo Ramírez Bruno) were a Dominican and Puerto Ricanreggaeton duo. They have released various albums and spawned moderate hits in Puerto Rico. They were part of DJ Joe's Escuadron Del Panico along with Hakeem & Jenay, Ranking Stone, Genio, Guayo Man, Doble Impact, Trebol Clan, and DJ Joe. Their hits include "Bailen Yackien", "Mi Locura (featuring Noriega)", "Mil Amores" and "Matadora". and As of 2007, they are no longer a duo. Master Joe duos with Lil' Sean. O.G. Black duos with Guayo Man. O.G. Black used to duo with Q Mac Daddy in the mid '90s and they released the CD Bajo Tu Observación.