Eb (opt.),3 Bb, Eb Alto, Bb Bass/Contra-Bass, Eb Contra-Alto (opt.). Released in 1965, this contest-caliber edition of one of Mozart's top hits casts the 1st Bb player in the primary leading role, with some occasional melodic support provided by 2nd Bb Clarinet. An allegro tempo (quarter note = 132) should be maintained throughout. Duration 4:00 American Grade 4