From 1974 to 1981 Miranda was the primary music critic for the Jornal do Brasil.
In 1977, Miranda won first prize in the chamber music category at the Concurso Nacional de Composição para a II Bienal de Música Brasileira Contemporânea da Sala Cecília Meireles. After this, he became a freelance composer. The following year, he represented Brazil at the Tribune International de Componistes de UNESCO in Paris, France. In 1981 he was awarded a gold medal by the governor of Rio de Janeiro state. He was in the program at the World Music Days in Aarhus, Denmark in 1983, at the Tenth Musik-Biennale in Berlin, Germany, and at the World Music Days in Budapest, Hungary in 1986.
On September 22, 2006 premiered at the Theatro São Pedro in São Paulo his opera "A Tempestade" ("The Tempest"), to which he wrote the libretto himself based on the homonymous play by William Shakespeare.[1]
His Fantasia for Saxophone and Piano (1984) is now standard part of the Brazilian chamber music repertoire.[2]