Watch Online Free on Watchseries. The Mastropiero Awards is a musical humor theatrical show by the Argentine ensemble of informal instruments Les Luthiers, in which the classic format of their previous shows is not repeated. In this show, the group simulates an award ceremony for various artists from the fields of cinema, theater, television and music. During the ceremony, works and compositions by Johann Sebastian Mastropiero himself are performed. The play premiered at the Astengo Theater in Rosario, Argentina, on July 29, 2005