André began studying classical music and blues guitar at the age of 6 inspired by his father, Geraldo Moraes.
While still a teen, he relocated to Rio de Janeiro and co-formed music group Infierno, which toured and released a full-length album.
In 1997, at age 20, he composed his first soundtrack score, for No Coração dos Deuse (In the Heart of the Gods), directed by his father, working alongside Faith No More member Mike Patton.
Among his works, he has composed for Assalto ao Banco Central, Meu Tio Matou um Cara, O Coronel e o Lobisomem, Melhor Trilha Sonora, Viva Sapato!
In addition, André has served as producer for several albums, including Dante XXI by Sepultura, Guns N' Roses keyboardist Chris Pitman, and artists like Caetano Veloso, Gilberto Gil, Milton Nascimento, Igor Cavalera, Jair Rodrigues, Jorge Mautner, Mart'nália; and has also written for theater and television.