Bob Fosse's Dancin' ***1/2
By: Samuel L. Leiter March 31, 2023: Don't be deceived by the essentially bare stage facing you at the start Bob Fosse;s Dancin', a revival at the Music Box of Fosse's 1978 multi-Tony-winning all-dance revue (originally called just Dancin'). What you're about to see is nothing like the sceneryless version of A Doll's House overat the Hudson Theatre. Robert Brill's skeletal scenic concept will soon explode with such…