Sackbut Sackbut A sackbut is a type of trombone from the Renaissance and Baroque eras, characterised by a telescopic slide that is used to vary the length of the tube to change pitch. Unlike the earlier slide trumpet from which it evolved, the sackbut possesses a U-shaped slide, with two parallel sliding tubes, which allows for playing scales in a lower range. Records of the term "trombone" predates the term "sackbut" by two decades, and evidence for the German term "Posaune" is even older. "Sackbut", originally a French term, was used in England until the instrument fell into disuse in the
Se (instrument) in the 20th century was Wu Jinglüe, who was primarily a "guqin" player. There are also very few surviving examples of musical tablature for the instrument, a majority existing in "qinpu" (tablature for the "guqin") in which the "se" was used to provide accompaniment for the "qin". Recently, there has been a revived interest in the "se", with some musicians studying it. There are also a few factories that make a modern "se" using nylon-wrapped metal strings, though the instrument needs to be properly researched using modern mediums for it to be fully acceptable as a playable instrument for general