Extravagant claims from the 1929 RCA Victor Theremin promotional brochure:
"Anyone, without tiresome practice, can make exquisite, beautiful music with nothing but his own two hands . . . . . with no difficulty whatever . . . . You need not he able to read a single note to play the RCA Theremin magnificently . . . .
And it is easiest of all instruments to play!"
(in truth it was, and still is in fact probably the most difficult of all instruments to play!)