Abraham and his close friends formed a Mexican American doo-wop band called, "Los Dinos" beginning in the 1950s. "Los Dinos" took to the road everywhere their music was much appreciated. Through struggles, Los Dinos signed numerous minor Texas based record companies. By the 1960s Los Dinos switched their musical styles to Tejano music due to their low popularity. Abraham quite the band to tend to his family full-time soon after his third and final child, Selena was born in 1971. Abraham became managing his children's music abilities, soon after his daughter Selena had the ability to sing high notes in perfect pitch tune and memorization.