Luis Vagner Dutra Lopes, aka Luís Vagner Guitarreiro, was a Brazilian guitarist, singer, and composer of rock, samba-rock and black music. He began his career in the rock band Os Brasas, initially in Porto Alegre-RS and later moving to São Paulo-SP. After that, he worked as a support musician and then in a successful solo career, becoming one of the exponents of the samba-rock genre.

b.: April 20, 1948 - Bagé-RS
d.: May 9, 2021 - Itanhaém-SP