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
Clapper (musical instrument) The term is not to be confused with bell clapper. In music, a whip or slapstick is a clapper (percussion instrument) consisting of two wooden boards joined by a hinge at one end. When the boards are brought together rapidly, the sound is reminiscent of the crack of a whip. It is often used in modern orchestras, bands, and percussion ensembles. There are two types of whips. The first has two planks of wood connected by a hinge, with a handle on each. The percussionist holds the instrument by the handles and hits the two pieces of wood together, creating