What did it sound like when Beethoven, seated at the piano, played Bach? For that we have to use our imagination. For this we don’t.
Thelonious Monk plays Duke Ellington, live, Berlin, 1969
(Yo, Michael: Thanks for the tip!)
[T]he only time I’ve ever seen Monk act like a little boy and looking up to somebody [was in the presence of Duke Ellington]. That was his idol.—Joe Termini (quoted in Robin D. G. Kelley, Thelonious Monk: The Life and Times of an American Original )