Maria Callas returned to the stage in 1971 to teach master classes at Juilliard. This intriguing forum later inspired Terrence McNally's acclaimed play Master Class. Outspoken and uncompromising in her artistic beliefs, Callas worked through her legendary arias from Mozart, Verdi, Rossini, Puccini, and others. John Ardoin brilliantly captures the insights of a thoughtful singer who reveals herself to be not the imperious diva of her reputation, but a supremely self-aware artist concerned with passing along a great musical tradition.