Scholar Patrick Kavanaugh has heard oodles of baroque fugues and he swears that most of their composers were more interested in higher mathematics than in music. The melodic lines spin out one on top of another, creating dizzying layers of notes, intervals and overtones. This is the musical equivalent of watching chess masters maneuver on a multi-level, three-dimensional board. “There’s an art to it, in terms of the logic and structure and the intricate patterns,” said Kavanaugh, author of “The... Read more