Wolfgang Amadeus Mozart owned a number of violins, and this one was made by the Klotz family of luthiers in southern Germany around 1700. Today, it lives in the Salzburg Mozarteum under lock and key. Back in 2013, the violin got a special treat: its first trip to the USA. For its New York debut, the Klotz violin was played by composer, violinist and all-round Mozart fanboy David Fulmer.He had a few things to say about the Klotz violin: firstly, it’s in great condition and is essentially a window into the past. “It’s incredible to think that Mozart not only used this as a performer, but also as a composer – and on this very violin he wrote and played his five violin concerti and the monumental masterpiece of the Sinfonia Concertante K364.