Yes are a progressive rock group, formed in London in 1968. They were one of the key proponents of the genre, and despite many line-up changes, and splits within the group, they have remained popular for over 40 years. Known for blending classical structures with rock music, Yes are famed for showcasing the instrumental prowess of each member. The band has contained many musicians that have gone on to forge impressive careers of their own, including legendary keyboardist Rick Wakeman, and briefly, producer Trevor Horn. Long term Yes members Steve Howe, Chris Squire, and Alan White, are currently touring the band with vocalist Benoit David and keyboardist Oliver Wakeman.