the burden of the argument

And the front doors were locked. Locked for what? Burglary? Ol' book-ghoul come to retrieve his pictures from E-boney?

a. 1743, Alexander Pope, Epistle to a Lady

As noted earlier, Black musics including the blues have not had solely Black listenerships, or remained entirely Black practices: others have been captivated by these musics, contributed to their histories, and benefitted financially from them.