Demônios da Garoa is a Brazilian samba group formed in São Paulo in 1943 by
Arnaldo Rosa and Antonio Gomes Neto. The group established a partnership with
composer Adoniran Barbosa in 1949 and recorded the hit song "Trem das Onze" in
1964. The ensemble's discography includes Mas Demônios Que Nunca (1962),
Demônios da Garoa Hoje (1995), and 55 Anos de Garoa (1997). In 1994 the group
was recognized by Guinness World Records as the oldest active vocal group in
Brazil. Demônios da Garoa has sold more than 10 million records.