The Grand Duo Concertant owes its composition to Fryderyk Chopin’s friendship with French ’cellist Auguste Franchomme. The manuscript being published here comes from the early 1830s and is an editorial autograph intended for the Paris publisher Maurice Schlesinger it is presently held in the collections of the Bibliothèque nationale de France in Paris (call no. Ms.10310). The piano part is notated in Chopin’s hand the title page and ’cello part in Franchomme’s hand.
