First performance: 25 March 1969, 1° Interamerican Music Festival of Rio de Janeiro, Brazil, at Sala Cecilia Meireles, by Ensemble Musica Nova of Rio de Janeiro, conducted by Marlos Nobre; Recordings: Mainstream Records MS/5017 USA (The New Sound Composers & Performers Group, conducted by Alcides Lanza); EMI ANGEL 31C-063.422.907 (Ensemble Musica Nova of Rio de Janeiro, conducted by Marlos Nobre); full score and parts on sale.
Instrumentación: Piccolo,Clarinet, Piano & Percussion
Edición: Marlos Nobre Edition
Puede adquirirse en: marlosnobre.edition@uol.com.br
Hizo estudios de composición con Hans J. Koelreutter y Camargo Guarnieri. Posteriormente, con Ginastera, Messiaen, Malipiero, Copland y Dallapiccola en el Centro Latinoamericano de Altos Estudios Musicales del Instituto Torcuato Di Tella de Buenos Aires.