For the first time Astor Piazzolla's "Tango Operita" (1968) is being presented as a surround re-cording, which gives you an astonishingly better sound and transparency of music and voices. All written information is given in German, Spanish, English, and French language. The fantastic ensemble Musiques Nouvelles was founded in 1962 by the composers & conductors Pierre Bartholomée and Henri Pousseur: Musiques Nouvelles is the world eldest ensemble concentrating on avant-garde music. It's present composer & conductor is Jean-Paul Dessy. This Stereo/Multichannel Hybrid SACD can be played on any compact disc player. Ensemble Musiques Nouvelles: David Núñez - violin and musical direction; Delphine Gardin - singer; Gustavo Beytelmann - speaker; Roberto Cordova - singer; Jean-Paul Dessy - artistic direction.