Watch 123Movies. Classical music aficionados are in for a treat with this rare filmed performance by acclaimed pianist Martha Argerich. This recording of Agerich's 1982 concert features 12 pieces, including works from Mozart, Schuman, Ravel and Rachmaninov. Argerich also performs a number of duets with the aid of talented guest performers such as Mischa Maisky, Nicolas Economou and Nelson Freire. Biographies of the performers are included as on-screen liner notes