Rainbow is a British rock band formed in 1975 following the departure of Ritchie Blackmore from Deep Purple. Known for their powerful blend of hard rock and heavy metal, the group achieved significant commercial success throughout the late 1970s and early 1980s. Their discography features a series of classic albums that showcased the distinctive guitar work of Blackmore and the soaring vocals of Ronnie James Dio, who joined the band for their second release. The group's energetic live performances and anthemic songwriting helped define the heavy metal genre during a pivotal era of rock music. Tracks like Gonna Gonna Go! exemplify the band's dynamic style, combining driving rhythms with melodic hooks that resonated with audiences worldwide. Rainbow remains an influential act in the history of hard rock, celebrated for their enduring musical legacy.