This year marks the 250th anniversary of the birth of Wolfgang Amadeus Mozart, one of the most enduringly popular and celebrated composers to have ever lived. His substantial oeuvre contains works that are considered to be among the most exquisite pieces of symphonic, chamber, and choral music ever written. His operas too cast a long shadow over those staged in their wake. And since his untimely death in 1791, he remains an enigmatic figure--the...