Guitar. Culture: German. Maker: Joachim Tielke (German, 1641-1719). Date: ca. 1695-99.The Baroque guitar is similar in shape and body to earlier guitars, but is typified by five double courses of strings (which appeared as early as the late fifteenth century). From about 1600 until the mid-eighteenth century, its popularity supplanted both the four-course guitar and the six- or seven-course vihuela. The five-course Baroque guitar was a bit larger than the earlier model, averaging approximately 92 centimeters long, with string lengths of 63-70 centimeters. Guitars used by musicians were probably relatively plain, perhaps typified by many Spanish guitars of the period. However, many decorative guitars survive, including those by the Sellas family of Venice and Bologna and by Jean-Baptiste Voboam in Paris (1990.103; 1989.147).Tielke's use and mastery of expensive material is proof of the financial success of his workshop and business. This instrument's ribs and back are constructed with a