Members: Astor Piazzolla, Enrique "Zurdo" Roizner, Gustavo Beytelmann, Tomás Gubitsch, Adalberto Cevasco, José Angel Trelles, Antonio Agri, Juan Carlos Cirigliano, Ricardo Sanz, Luis Ferreyra, Horacio Malvicino, Osvaldo Caló, Daniel Piazzolla (2)

Tango Nuevo / Jazz Fusion ensemble created by Astor Piazzolla in 1975, disbanded 1977. Never formally credited while it was active.

Members:
Bandoneon & Direction: Astor Piazzolla (1975-1977)
Synthesizer: Daniel Piazzolla (2) (1975-1977)
Flute: Luis Ferreyra (1976-1977)
Electric Organ: Osvaldo Caló (1976-1977)
Electric Bass: Ricardo Sanz (1976-1977)
Percussion: Luis Ceravolo (1976-1977)
Guitar: Tomás Gubitsch (1976-1977)
Piano: Gustavo Beytelmann (1976-1977)

Former members:
Violin: Antonio Agri (1975-1976)
Flute: Arturo Schneider (1976)
Guitar: Horacio Malvicino (1975-1976)
Electric Piano: Juan Carlos Cirigliano (1975-1976)
Electric Organ: Santiago Giacobbe (1975-1976)
Percussion: Enrique "Zurdo" Roizner (1975-1976)
Electric Bass: Adalberto Cevasco (1975-1976)
Vocals: José Angel Trelles (1975-1976)


Recorded Suite Troileana / Lumiere, Il pleut Sur Santiago, José Angel Trelles' Balada Para un Loco and the live album Olympia 77, plus the live bootleg from 1976 concert called Libertango. Their last compositions were performed in the never released in studio 500 Motivaciones at Teatro Gran Rex, 1976.