This Saturday, New York’s Town Hall pays tribute to Jewish history through the music of Broadway, Off-Broadway and Yiddish Theater. From Moses to Mostel is a new show by trumpeter and composer Frank London, Artistic Director M.A. Papper and writer Glen Berger. Hosted by actor and comedian, Robert Klein, who will perform with a talented array of Broadway voices accompanied by the sounds of the Klezmatics. WQXR host Elliott Forrest explores the process of developing such a production with creators Frank London and Glen Berger.