A DAY WITH MENDELSSOHN.   uring the year 1840 I visited Leipzig with letters of introduction from Herr Klingemann of the Hanoverian Legation in London. I was a singer, young, enthusiastic, and eager—as some singers unfortunately are not—to be a musician as well. Klingemann had many friends among the famous German composers, because of his personal charm, and because his simple verses had provided them with excellent material... more...