'J-Hud, Taystee Revive 'Color Purple'...Zero Mostel Hologram in 'Fiddler on the Roof?'

'The Color Purple,' though, has one thing that 'Fiddler on the Roof 'does not have: a famous pop singer. And, least we forget, Danielle Brooks (i.e. "Taystee" from 'Orange is the New Black').