[2] He began to play instruments influenced by his mother, a pianist, and at 14 years old took part as a musician in several school festivals.

[3] He and his older brother, Pit Passarell, formed Viper alongside long-time acquaintance Felipe Machado in 1985; he served as the band's guitarist until its first break-up in 1999, subsequently joining Brasília-based rock band Capital Inicial in 2001,[4] for which he also wrote several songs alongside his brother Pit.

[5] In 2005, Passarell was featured in the documentary 20 Years Living for the Night, produced in celebration of his former band Viper's 20th anniversary.

[6] Beginning in 2012, he took part in commemorative shows by Viper,[7] serving as a guest musician on their 2023 album Timeless[8] and collaborating with Felipe Machado on his solo project.

[9] Parallel to his musical career, he also wrote the memoir Temporada na Estrada, regarding his years with Viper, and the novel Os Últimos Dias Perfeitos, published by Gryphus Editora in 1999 and 2002 respectively.