Sackbut as ballet "Don Juan" (1761). Some chamber music in this period includes trombone in an obligato role with voice, and also as a concerto instrument with string orchestra. Composers include the likes of Leopold Mozart, Georg Christoph Wagenseil, Johann Albrechtsberger, Michael Haydn and Johann Ernst Eberlin. For works for trombone post-1800, please see trombone. Many groups specializing in period music make frequent and prominent use of the sackbut. External links: Plenty of recordings of the authentic sackbut are now available from the groups such as Concerto Palatino, HMSC, Gabrieli Consort and the Toulouse Sacqueboutiers. For a closer examination of 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