[a fool in paradise]

The Wiz is a product of that period in the 1970s when Broadway was producing 'all-black' versions of everything. It is an urban, African-American version of The Wizard of Oz.

Broadway and Hollywood are still doing this.

The 46-track cast album of the new musical Hamilton is going where no other Broadway score has gone before: #1 on the Billboard chart of rap albums. (Playbill 16 Nov 2015)

[TBP]

Hamilton, whatever else you want to say about it, at least is original material, not a "black" version of some other show.