A musical joke, by J.F. Rowbotham, 1908:
… wrote a musical wit to a friend of his, and in these terms conveyed an invitation to dinner. What is the explanation of it? “One, sharp. Beef and cabbage.” His friend, who was not behindhand at a joke, though by no means so witty as his host, replied:–
… which reads off by the same hieroglyphic: “Not a bad feed. Naturally (natural E) I will be in time.”
Rowbotham also offers this rather mean-spirited message for a vain lady: