Arioso- Class II Tpt Solo with PianoComposer J. S. Bach trans. Chidester Length 2: 59 Difficulty M Counting ability M Ensemble difficulty M Range ME Endurance M Finger technique ME Bruce Chidester Arioso Class II Tpt Solo With Piano All three Solo Classes are rated differently. Class I solos are very challenging with respect to range, endurance, dynamics, tempi and basic execution. This class of solos will require the most advanced players and require additional time practicing in order