This is a Reuge Interchangeable Five Cylinder (5 Tunes) Music Box 50 Notes. Handcrafted of solid burl-walnut with rosewood corners and tulip wood inlaid lines. It has a black lacquered interior with high gloss shine. It features a mirror along the underside of the lid that is engraved elegantly with the titles of the tune selection. Sitting behind a glass enclosure sits a series of 5 cylinders (50-Note mechanical movements). Song selections of the five cylinders or barrels. The March of the Toy Soldiers. The Music of the Night (Phantom of the Opera). Canon in D by Pachelbel. 18th Variation on a Theme of Paganini. The Wind Beneath My Wings.