Complex sentence: During Gloria's performance of "Boogie Wonderland," Raul raps a bridge in Spanish, which opens with "Yo soy Raul" (I am Raul), making him the only amigo other than Ramón who is mentioned by name in the film.
Split into simpler sentences: During Gloria's performance of "Boogie Wonderland," Raul raps a bridge in Spanish. He is the only amigo other than Ramón who is mentioned by name in the film.