Back home, La Mafia has performed in front of three record-setting crowds at the Houston Livestock Show and Rodeo at the Houston Astrodome.

La Mafia has also played at the Houston Astrodome along with Emilio Navaira and Selena Quintanilla He is the leader of La Mafia alongside Armando Lichtenberger Jr. and is close friends.

Their best albums are The Magnificent 7 (1982), Neon Static (1985), Xplosiv (1989), Enter the Future (1990), Con Tanto Amor (1990), Vida (1994), Exitos en vivo (1995), En Tus Manos (1997), Inconfundible (2001), Eternamente Romanticos (2008),and Amor y Sexo (2014) Mrs. Delia Guebara Owens, ex-girlfriend of Oscar and mother of his two children (Henri and Oscar Jr.), died on Friday February 27, 2009 at 4:20 PM.

Oscar dedicated "Si Quiere Dios" to her as a tribute to the mother of his sons and the woman who inspired him when he first started out, and who remained his dear friend.

After the attack, De La Rosa had facial cuts, eye damage and two lost teeth.