Guillermo Gregorio - Otra Musica: Tape Music, Fluxus & Free Improvisation In Buenos Aires 1963-70

Piano, Bells, Performer [Diverse Objects] – Carlos Miralles, Guillermo Gregorio

Conductor – Roque De PedroHorn [Plastic] – Norberto ChavarriOcarina [Prepared] – Guillermo GregorioPerformer – Música MásTambourine – Tito FioreViolin [One String] – Ramiro Larrain

Alto Saxophone – Guillermo GregorioCello – Victor OrloffChoir – Música Más ChoirComposed By – Norberto ChavarriConductor – Norberto ChavarriConductor [Choir] – Roque De PedroDouble Bass – Jorge FernandezGuitar – Aldo Moreno, Tito FioreInstruments [Diverse] – Alfredo Borenstein, Gladis Le Bas, Jorge Raul Albornoz, Mónica NuñezPerformer – Música Más

Accordion [Electric] – Alejandro Nuñez AllaucaAlto Saxophone – Guillermo GregorioComposed By – Roque De PedroConductor – Roque De PedroPerformer – Música MásPiano – Tito FioreXylophone, Glockenspiel – Norberto Chavarri

Accordion [Electric] – Alejandro Nuñez AllaucaAlto Saxophone – Guillermo GregorioCello [Probably] – Victor OrloffClarinet – Jorge HeilpernComposed By – Norberto ChavarriConductor – Norberto ChavarriFlute – Unknown ArtistPerformer – Música MásTrumpet – Armando SikorskyVibraphone – Norberto ChavarriViolin – Adrian Barcesat

Accordion [Electric] – Alejandro Nuñez AllaucaAlto Saxophone – Guillermo GregorioClarinet – Luis AriasPercussion – Tito FiorePerformer – Contemporary Music Ensemble Of Buenos AiresPiano – Armando KriegerViolin – Roque De PedroXylophone – Norberto Chavarri

Alto Saxophone – Guillermo Gregorio

Clarinet – Guillermo GregorioTrumpet – Carlos Miralles

Clarinet – Guillermo GregorioTrumpet – Carlos Miralles

Clarinet [Multitracked] – Guillermo Gregorio

Alto Saxophone [Multitracked] – Guillermo Gregorio

Alto Saxophone – Guillermo GregorioBass – Juan Carlos DibastoTrumpet – Carlos Miralles