César "Pupy" Pedroso was a Cuban pianist who became famous with Orquesta Revé and then as a founding member of Los Van Van. For many years, Pedroso wrote some of Van Van's most important songs such as "Calla Calla", "Tranquilo, Mota", "Seis Semanas", "El buenagente" and many others. In 2001 he founded his own band Pupy y Los que Son, Son. In 2006, he recorded four albums with his band.