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
Recorder (musical instrument) "common flute", "common English-flute", or simply "English flute" while the transverse instrument was distinguished as the "German flute" or simply "flute." Until at least 1765, some writers still used "flute" to mean recorder. Until the mid 18th century, musical scores written in Italian refer to the instrument as , whereas the transverse instrument was called . This distinction, like the English switch from "recorder" to "flute," has caused confusion among modern editors, writers and performers. Indeed, in most European languages, the first term for the recorder was the word for flute alone. In the present day, cognates of the word