Argentininan Tango Nuevo ensemble directed by Astor Piazzolla. Created Jan. 1971, disbanded 1973.

Recorded Música Contempóranea de la Ciudad de Buenos Aires Vol I & II, Amelita Baltar’s La Bicicleta Blanca, Mina’s Balada Para Mi Muerte, and in 1972 performs the first Concierto de Nácar, albeit no recordings were made. Years later, a number of live bootlegs from performances at Teatro Regina, 1973.
Live bootleg recordings: Astor Piazzolla Y Su Noneto (1972-04-17) - Concierto de Nácar (1983-04-11) - En El Teatro Colón (1983-06-11)

1983 Colón Concert Formation:
Bandoneon & Direction: Astor Piazzolla
Contrabass: Hector Console
Violin: Hugo Baralis
Violin: Fernando Suárez Paz
Piano: Pablo Ziegler
Drums: Enrique Roizner
Cello: José Bragato
Guitar: Oscar Lopez Ruiz

Members:
Bandoneon & Direction: Astor Piazzolla
Violin: Antonio Agri / Hugo Baralis
Viola: Nestor Panik
Violoncello: José Bragato
Guitar: Oscar Lopez Ruiz
Contrabass: Kicho Diaz
Piano: Osvaldo Tarantino
Drums & Percussion: José Corriale


Former members:
Piano: Osvaldo Manzi