Los Angeles born and raised Roger was surrounded by music . His father Roger Rivas Sr. was a crucial part in the "Brown Sound" of East L.A playing keyboards for the legendary group known as Tierra. At a very young age Roger Jr would be introduced to many musicians in the Los Angeles circuit. Members from WAR, Malo, El Chicano, Thee Midnigters and more. Much of Roger Jrs musical taste is owed to his father. A big testament to this was his introduction to L.A oldies.