41.   In his master classes he did what may have been his greatest playing, combining profound understanding of musical rhetoric, audacious freedom and vibrant character.

42.   In one scene, Erika listens while Walter tries out for a spot in her master class, impressing the other instructors with his effortless Schubert.

43.   Instead of a brilliant breakthrough, the studies turned into a humbling master class for cancer-drug researchers and a cautionary tale for investors.

44.   It is the all-time master class.

45.   It includes master classes and seminars with professional artists.

46.   Jazz musicians, historians and others in the music industry will give master classes, seminars, lectures and workshops for musicians and the public.

47.   Just ask the Juilliard School students who flock to her master classes in the art of singing a musical-theater song.

48.   Master classes dilute the transaction by introducing outsiders.

49.   Master classes will be conducted by Earl Klugh of the United States, Leo Brouwer of Cuba, Marco Pereira of Brazil and Carlos Barbosa of Peru.

50.   Milnes has been giving regular, intensive master classes there, some of them open to the public.