[1] After leaving the Brazilian thrash metal band Korzus, Confessori was invited for assume the post of drummer of Angra, after the recording of the album Angels Cry.

In 2000, Confessori left Angra with singer Andre Matos and bassist Luis Mariutti to form the band Shaman together with guitarist Hugo Mariutti.

Confessori owned the Shaman name resulting in the other members leaving the band.

In 2009, Confessori returned to Angra, replacing the drummer Aquiles Priester.

[3] He also served as a guest/live musician for parodic heavy metal band Massacration, under the pseudonym "El Perro Loco", from 2016 to 2022.