Born in 1941 in Itaiopolis, Brazil, Moreira grew up in Curitiba where he began singing and playing percussion at a young age. By the time he was six years old he was already winning music contests and gaining renown in the process. He began hosting a local radio program and at age 13 played his first professional gig. At age 16 he moved to São Paulo and played drums and percussion, and sang with a variety of bands and well-known performers working the nightclub circuit and making television appearances. He made his recorded debut as a member of the pioneering samba outfit Sambalanço Trio along with pianist Cesar Camargo Mariano and bassist Humberto Clayber on 1964’s Samblues. He also recorded with artists like Wanda Sá, Raul de Souza, and Hermeto Pascoal, among others.