English rock/ prog-rock singer/ songwriter, founder member of prog-rock band Yes and frequent collaborator with Greek composer Vangelis.

He released his debut solo album, "Olias of Sunhillow" in 1976, followed by: "Song of Seven" (1980), "Animation" (1982), "3 Ships" (1985), "In the City of Angels" (1988), "Change We Must" (1994), "Deseo" (1994), "Angels Embrace" (1995), "Lost Tapes of Opio" (1996), "Toltec" (1996), "Earth Mother Earth" (1997), "The Promise Ring" (1997), "The More You Know" (1998), "Survival & Other Stories" (2011), "1000 Hands: Chapter One" (2019), plus 2024's: "True".