Musical Experimentation and Improvisation Group of the Musical Research and Production Laboratory of the Recoleta Cultural Centre in Buenos Aires. The ensemble was founded in 1984 and operated until 1987.

Carmelo Saitta, percussion and coordination
Andrés Gerszenzon, oboe and recorders
Claudio Schulkin, piano
Gabriel Pérsico, flutes
Fabián Panisello, viola
Luis Corazza, sound technician