Pareles, Jon. Billy Preston, 59, Soul Musician, Is Dead; Renowned Keyboardist and Collaborator. The New York Times. 7 June 2006 [24 April 2018]. Keepnews
News (BBC). 14 June 2007 [10 January 2018]. Richard Bell, 61, rock keyboardist. The Boston Globe. Associated Press. 20 June 2007 [10 January 2018] –通过Boston
Dies. LankaWeb. 26 October 2008 [8 October 2018]. Former Grateful Dead keyboardist Saunders dies at 74. Reuters. 27 October 2016 [8 October 2018]. Veteran