Answer
Bob Morales was the brother of Ritchie Valens, a legendary rock and roll musician. Ritchie Valens, born Richard Steven Valenzuela, was a Mexican-American singer and guitarist who gained fame in the late 1950s with his hit songs "La Bamba" and "Donna." Bob Morales played a significant role in his brother's career, serving as his manager and providing support throughout his rise to stardom.