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
EWI (musical instrument) versatile instrument. The air pressure sensor allows for a considerable dynamic range. EWI (musical instrument) EWI (from electronic wind instrument, pronounced "EE-wee") is a type of wind controller, an electronic musical instrument. It was invented by Nyle Steiner, who conceptualized the idea in the 1960s, and developed the first working models in the 1970s. The early models consisted of two parts: a wind controller and a digitally-controlled analog synthesizer in a rackmount box (which also houses the instrument's electronics). Japanese company Akai took over the instrument from Steiner and released several models (with his design help). The current top models,