Crossword puzzle clue "jazz great country great"

Noah's great-great-great-great-great-great-great grandfather

Jazz great; country great

Our great-great-great- .... great grandparents

"For his contributions to jazz, ___ should be smeared with bacon grease, placed in a cage with three underfed Kodiak grizzly bears, and whatever happens, happens." ("Genius Guide to Jazz")

Jazz and Blues, but not smooth jazz or jump blues, AFAIK

Org. with the slogan "Because a great country deserves great art"