Have riffed along with this tune, both on ukelele and elephant gourd horn. Gourd horn seen above right with trumpet mouthpiece inserted though a cork, which is in turn fitted to the gourd neck. (In photo encircled in red.) Plays well. The priceless music performed for my children's amazement; they will remember.
Historical reference: http://raccoonnews.blogspot.com/2009/03/indeed-whats-wrong-with-this-picture.html
