Ricardo Gallo and Jorge Sepúlveda have been collaborating since 2003 in groups such as Asdrubal, Ricardo Gallo Cuarteto, Pacho Dávila,  Aleatorio project by Jorge Sepúlveda, as well as other spontaneous improvisational ensembles.

This duo format allows these two creative musicians from the Colombian scene to explore the interaction of percussive sounds from the drum kit, other percussion and the keyboards. Offering different possibilities for live settings, this groups can perform with acoustic piano and/or with synths, as well as with occasional invited artists.