Jon and Vangelis is the collaborative effort between the singer Jon Anderson (the lead vocalist of the progressive rock band Yes) and the Greek synthesizer musician Vangelis Papathanassiou. Together they released a number of successful albums in the 1980s. In 1974, Vangelis was considered as a replacement for Rick Wakeman as keyboardist in Yes, and although the job went to Patrick Moraz, it led to several collaborations with Anderson, who contributed vocals to Vangelis' Heaven and Hell (1975)