yes shirley horn is African American.
French horn
facts on the African side blow horn
The horn of plenty is not a "Where" but a what and it is does not come from Africa. It began in Greece with Greek myth.
The Horn of Africa
horn means horn mate its said tsuno
then your horn is fine.
That would be the Cape of Good Hope
Rhino
South Africa
Do you mean "cornucopia"? It means "horn of plenty", a horn (usually depicted as a ram's horn) from which a never-ending flow of food proceeds.
The Horn of Africa