Who directed the 2015 film that starred the man whose Las Vegas cabaret show "Alan Cumming Sings Sappy Songs"?
Alan Cumming: Alan Cumming, OBE (born 27 January 1965), is a Scottish-American actor, singer/performer, author, and activist who has appeared in numerous films, television shows, and plays. Alan Cumming:  A filming of his Las Vegas cabaret show, "Alan Cumming Sings Sappy Songs", aired on PBS stations in November 2016.
i don't know