This spin on The Wizard of Oz was a Broadway hit in the 70s and became a film with Diana Ross. Now, the tale of Black joy takes Dorothy from a Manchester tower block and BLM protests to the Emerald City The Wizard of Oz is a movie masterpiece that still glitters like a ruby slipper. Its stage prequel, Wicked, has been running non-stop since 2003. But there is another, lesser-known spin-off from L Frank Baum's origina…
