Perhaps the most distinctive element of the film is its soundtrack, composed by Los Chichos, a popular flamenco-rumba group that was closely associated with the "quinqui" subculture. Their music provides an energetic backdrop to the film's chase scenes while also underscoring its more melancholic moments. The use of Los Chichos—real-life musicians from similar backgrounds—further blurs the line between art and reality, a recurring theme throughout de la Loma's work.
: The story is told in the first person. At age 23, while imprisoned in Ocaña 1, El Vaquilla recounts his life story to journalist Xavier Vinader Childhood and Crime Yo El Vaquilla 1985 Ok.ru