Prietto Viaja al Cosmos con Mariano is a band from La Plata, Buenos Aires, Argentina formed around 2005 by Maxi Prietto and drummer Mariano Castro. They have released several albums, including Experiencias del Salón Cósmico in 2006 and the double album Le Prièt VAHA​-​CHOSMOS E​-​BA CON MAOURIAN​!​!​! in 2011.