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Clay Aiken appeared in the Broadway production of "Spamalot" in 2008. The musical comedy, based on the 1975 film "Monty Python and the Holy Grail," ran from 2005 to 2009 and featured Aiken in the role of Sir Robin the Not-Quite-So-Brave. Aiken's performance was well-received by critics and audiences alike, earning him a Drama Desk Award nomination for Outstanding Featured Actor in a Musical.