Aznar released two records as a duo with Charly García: Tango in 1986 and Tango 4 in 1991, both of them turning platinum. The latter also won the ACE Award of the Argentine Association of Entertainment Critics for Best Rock Album of that year. He also recorded with ethnomusicologist and researcher Leda Valladares on Grito en el Cielo, an anthology of Andean traditional folk songs. He wrote the scores to several films, winning the SADAIC Award (Argentine Composers Association) and three Silver Condors (Film Critics Association of Argentina) for Best Film Score. Pedro has also composed music for ballet, theatrical pieces, art exhibitions, multi-media events, and art videos, as well as a Concerto for String Orchestra and Synthesizers, commissioned by the Mayo Chamber Orchestra. In 1992, he published a poetry book, Pruebas de Fuego. He also composed and recorded duets with singers Mercedes Sosa and Caetano Veloso in 1993 for an album sponsored by UNICEF to advance awareness of Children's Rights. Pedro Aznar has released six solo albums, three soundtrack albums and added his considerable talents to over 40 albums with other artists.
Source: http://www.allmusic.com/artist/pedro-aznar-mn0000034356 accessed 30/5/13