[5] From the 1950s to 1970s his main works were directed towards visual poetry but from 1980 on, he intensified his experiments with new media, presenting his poems on electric billboard, videotext, neon, hologram and laser, computer graphics, and multimedia events, involving sound and music, as the plurivocal reading of CIDADECITYCITÉ with his son Cid Campos (1987–91).
BOMB POEM and SOS, with music by Cid Campos, were animated at a Silicon Graphics computer station of the University of São Paulo (1992–93).
[9] His cooperation with Cid, begun in 1987, resulted in POESIA É RISCO (Poetry is Risk), a CD launched by PolyGram in 1995.
[10] The recording was developed into a multimedia performance under the same title, a "verbivocovisual" show of poetry/music/image, with video editing by Walter Silveira,[11] and was presented in several cities in Brazil and abroad.
[12] An exhibition, TransCreation, August 2, 2021 to October 29, 2021 in The NEXT Museum, Library, and Preservation Space was dedicated to his digital art.