K617 is a French classical music record label based in Metz and founded by Alain Pacquier, music author and creator of the Festival de Saintes at the Abbaye aux Dames in Charente-Maritime,[1] and the Festival de Sarrebourg (July)[2] at the Couvent de Saint Ulrich.[3] The name "K617" refers to Mozart's Adagio and Rondo for glass harmonica, flute, oboe, viola and cello, K.617).