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
Kay Musical Instrument Company skilled craftsmen using special ordered machinery. They even had a hot stamping machine that could emboss the trademark KAY cursive script. After the dissolve of Kay/Valco in 1968, the Engelhardt-Link company bought the upright bass and cello lines at the asset auction in 1969, and continue to produce the same instrument lines till today. Manufactured in Elk Grove Village, Illinois, Engelhardt basses and cellos are sturdy instruments, widely used by students and touring professionals. The "ES9 Swingmaster" bass (formerly the Kay "S9 Swingmaster"), is highly thought-of by jazz, swing, and bluegrass musicians. Kay Musical Instrument Company Kay Musical Instrument Company