Complejidad features 12 songs, plus a bonus track, by the Latin pop group Efecto Mariposa. This 2006 release includes "Soy Asi," "Hoy No Entiendo de Nada," and the bonus track "No Me Crees," featuring Javier Ojeda of the band Danza Invisible. Fans of Efecto Mariposa will want to add this disc from Dro Atlantic Music to their collections. ~ Al Campbell