MMD readers might find this story very interesting:

"One Sunday, a chauffeur-driven limousine drove up to the chicken house.
 A tall, slender figure in a long black coat stepped out of the car and
 walked up to the airplane.  In total silence, he inspected the aircraft."

http://www.sikorskyarchives.com/sikorsky-and-rachmaninoff.html

Dave Krall