Classical guitar may vary, but the typical shape is either "modern classical guitar" or that "historic classical guitar" similar to the early romantic guitars of France and Italy. Classical guitar strings once made of gut are now made of such polymers as nylon, with fine wire wound about the acoustically lower (bass side) strings. A guitar family tree may be identified. The flamenco guitar derives from the modern classical, but has differences in material, construction and sound. Today's "modern classical guitar" was established by the late designs of the 19th-century Spanish luthier, Antonio Torres Jurado. The classical guitar has a long history
Classical guitar repertoire music has been written for the guitar by non-guitarist composers. During the Renaissance, the guitar was likely to have been used as it frequently is today, to provide strummed accompaniment for a singer or a small group. There also were several significant music collections published during the sixteenth century of contrapuntal compositions approaching the complexity, sophistication and breadth of lute music from the same time period. Main compositions and composers: Baroque music describes an era and a set of styles of European classical music which were in widespread use between approximately 1600 to 1750 (see Dates of classical music eras