He began his musical career around 1982 playing in garage bands, and through one of these projects, Last Joker, he would meet his future Charlie Brown Jr. bandmate Renato Pelado.
Shortly after leaving Charlie Brown Jr. he founded TH6; the band released its only album, Contra Insetos Parasitas, in 2008, entering an indefinite hiatus period in 2010 following the birth of Marcão's son Gabriel.
[3][4][5] Around the same time he was part of the short-lived supergroup Rockfellas alongside Paul Di'Anno (Iron Maiden), Canisso (Raimundos) and Jean Dolabella (Sepultura).
[16] Marcão has also made guest appearances on shows of band Kiara Rocks in 2013,[17] and in 2014 produced the debut EP by group Trela, A Arte de Improvisar.
[23] On October 22, 2011, Marcão opened up his official YouTube channel, in which he posts guitar lessons and curiosities about Charlie Brown Jr..