only. Track listing ^ Additional Production * Co-producer Personnel Julieta Venegas - vocals, background vocals, accordion, acoustic guitar, keyboards, programming Juanchi Baleiron - acoustic guitar, electric guitar, baritone guitar Cachorro López - Baritone guitar, electric guitar, bass guitar, keyboards Coti Sorokin - electric guitar, bass guitar, acoustic guitar, backing vocals Dany Ávila - drums Guillermo Vadalá - bass guitar, banjo Ernesto Snajer - acoustic guitar, ten-string guitar Facundo Guevara - percussion Dante Spinetta - Vocals, composer Juan Blas Caballero - Programming, keyboards, electric guitar Juan Cruz de Urquiza - flugelhorn, trombone Matias Sorokin - slide guitar Anita Tijoux - background vocals Sebastián Schon - keyboards, programming Slava Poloudine - cello Pepito Mezclero - Scream Chart Weekly charts Certifications Year-end charts Awards Latin Grammy Grammy Award Release history References 2006 albums Julieta Venegas albums Albums produced by Cachorro López Latin Grammy Award for Best Alternative Music Album Grammy Award for Best Latin Pop Album Sony International albums