Citizen is Billy Sherwood's 2015 concept CD, including 11 songs written with a theme: a lost soul reincarnated into various periods of history. Impressive guest stars include Chris Squire, Tony Kaye, Steve Hackett, Geoff Downes, Colin Moulding, Steve Morse, Jerry Goodman, Alan Parsons, Rick Wakeman, Patrick Moraz, Jon Davison, Jordan Rudess and John Wesley. Billy Sherwood is a current member of Yes, handpicked by original founding member Chris Squire before his untimely death in June 2015.