Along the same lines, Maurice Ravel did a fifteen-week concert tour of the U.S. in 1928. Notably, he met George Gershwin and was wowed by him; you can hear more than a few echoes of “Rhapsody in Blue” in Ravel’s Piano Concerto (I, II, III), written shortly after his return to Europe.
As did his grandson, the future Edward VIII, in 1919.