Cultural greatness isn't color- or language-dependent.
Cultural achievements of one culture don't die in a society with many cultural idioms. Those idioms feed myriad interpretations of great achievements, making a richer and more accessible culture for every member.
Dance. Ballet meets hiphop.
Music Progressive rock icon plays Big Band music that derived from jazz and blues, both black inventions. (So OK, he's Canadian. Still.)
Drama
Bill meets Toussant.
The on-going American experiment is not only a political movement, it's a work of art. Our culture marks us as dynamic, not our military might, nor our racial purity, unless by race you mean "pure human".
And do you like rock and roll? Thank an African-American for the rhythm and a Scots-Irishman for the melody.