“Goblin are an Italian Progressive Rock band known for their soundtracks for Dario Argento films (including Deep Red of 1975, also known as Profondo Rosso, and Suspiria of 1977).”
They were initially named Cherry Five and were influenced by Genesis and King Crimson. Their early work spawned one eponymous progressive rock record. The band were then called in as replacements for composer Giorgio Gaslini, who had left the film Profondo Rosso after a conflict with director Dario Argento. They changed their name to Goblin and rewrote most of the score, including the famous main theme. The film, and the soundtrack album, were huge hits.