Dorabella Cipher

In 1897 the English composer Edward Elgar sent this enciphered message to his friend Dora Penny. Dora couldn't decipher it, and neither can anyone else. Can you?

In 1897 the English composer Edward Elgar sent this enciphered message to his friend Dora Penny. Dora couldn't decipher it, and neither can anyone else. Can you?