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
Janzi (musical instrument) modern instrument. He also had an idea of removing and replacing the nails on the adungu with a more acceptable material back in 2014 after their band's, (Janzi band) member was not allowed to transport the adungu through Copenhagen Airport because it had nails as pegs. The first Janzi was created in 2015 and it was recognized as an instrument in 2017 by the government of Uganda. The instrument has been used by folk and world musicians such as Ssewa Ssewa and Janzi Band. It has also been featured in live performance by Feridah Rose from Denmark and Giovanni Kiyingi.