Attomica, a Brazilian thrash metal band from São José dos Campos, was formed in October 1985 by guitarist João Paulo Francis and drummer Mário Sanefuji. Their first demo, Children's Assassin, was released in 1986, followed by their debut album, Attomica, in 1987 via Equinox Discos. The band toured Brazil extensively and released their second album, Limits of Insanity, in 1989 through Cogumelo Records. In 1991, Attomica released Disturbing the Noise, featuring the music video for "Deathraiser", which aired on MTV. The band disbanded in 1994 but reformed in 2002 with Luciano Peru as the new singer and released a remastered version of Disturbing the Noise and the live album Back and Alive. In 2012, Attomica released the album 4, featuring Alex Rangel on vocals, followed by The Trick in 2018.
