François-Joseph FÉTIS (1784–1871). Autograph letter, Brussels, August 22, 1834, to the pianist Pierre-Joseph Zimmerman; 1 page, in-4 format, with address. His “incredibly busy life” has prevented him from writing and visiting his friends in Paris. He invites them to come to his home in Brussels for the musical celebrations, which he hopes will be “worthy of guests such as yourselves. Both of you are much like me; your time is consumed by work that never lets up. You will find hearts devoted to you, a simple dinner, a glass of good wine, and music the likes of which you won’t hear just anywhere. Besides, the country is worth seeing”…