 Assumpção's music was a fusion of various styles and was predominantly influenced by "rock", "samba" and "funk".The lyrics contained within the songs were infused with sharp satire and heavy social criticism, with the lyrical content of Assumpção's music also reflecting a number of influences - Adoniran Barbosa, Cartola, Jimi Hendrix, Miles Davis, the poetry of Paulo Leminski and Alice Ruiz.Assumpção was black; a great-grandson of Angolan slaves and grew up listening to the drums of umbanda (a kind of voodoo tradition also based upon Christianism) in the backyard patio of his home.