Olias Of Sunhillow is a progressive rock concept album by Jon Anderson, the lead singer of Yes. It was his first solo album. The album tells the story of an alien race and their journey to a new world due to catastrophe. Olias, the title character, is the chosen architect of the glider Moorglade, which will be used to fly his people to their new home. Ranyart is the navigator for the glider, and QoQuaQ is the leader who unites the four tribes of Sunhillow to partake in the exodus.