I share what I found written on the web: "I don't like rap but here, in this wonderful movie, it fits perfectly. What I love about this song is the aggression and anger in the rapped verses contrasting with the angelic voice in the chorus. It becomes a great metaphor for the film, which is a blend of transcendent moments of grace accompanied by brutal hostility..."

AMORES PERROS - HQ Trailer ( 2000 )