*****Nothing good came out of slavery, although I wish the civil war had never been fought, and that the Mason Dixon Line would be our southern border*****
As Mr. Spock might say, "Most Illogical".
A few good things that came out of slavery, staying with Jazz:
Jelly Roll Morton,Louis Armstrong, Duke Ellington, Bird, Trane, Miles, Monk, Cannonball, Dizzy, Lee Morgan, Billie Holiday, Ella, Sarah, Dee Dee, Wynton, need I go on???? Our OP?
Cheers