Jon Anderson (born John Roy Anderson, 25 October 1944) is a British and American singer, songwriter and musician, best known as the former lead singer of the progressive rock band Yes, which he formed in 1968 with bassist Chris Squire. Renowned for his alto tenor range, he was a member of the band across three tenures until 2004, and was also the singer of the Yes-linked projects Anderson Bruford Wakeman Howe and Yes Featuring Jon Anderson, Trevor Rabin, Rick Wakeman. Anderson became an American citizen in 2009 with dual citizenship.
https://en.wikipedia.org/wiki/Jon_Anderson