Gérson Rodrigues Côrtes (30 November 1943 – 22 September 2020) was a Brazilian soul funk singer-songwriter. He was born in Rio de Janeiro. He began his career in performing on the variety program "Hoje é Dia de Rock". He founded and performed in the 1960s musical group Formula 7. He was also a key person in the 1970s counterculture movent Black Rio.