Blackmore's Rainbow, often simply known as Rainbow, is a British rock band formed in 1975 by guitarist Ritchie Blackmore, formerly of Deep Purple. The band is known for its hard rock and heavy metal style, with elements of classical music and progressive rock. Its revolving lineup, anchored by Blackmore, has included notable musicians like Ronnie James Dio and Graham Bonnet. Rainbow's significant works include the albums "Rising" and "Long Live Rock 'n' Roll", which have had considerable influence on the development of the hard rock and heavy metal genres.