2015: The year in classical music

A look back at the top stories, trends and memorable performances in the field of classical music.Pop goes the orchestra: In December, the country star Taylor Swift gave $50,000 to the Seattle Symphony, in part because of her admiration of their CD of John Luther Adams's Pulitzer Prize-winning piece "Become Ocean." It was the latest manifestation of a years-long trend that indicates that while orchestras may be struggling for relevance in the world at large, they've lost none of their cachet amo...