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David Lang is one of the most thoughtful composers working today. His music is consistently probing, emotionally urgent, strange, and beautiful. It is also getting simpler as the years roll on—a sign that the mind behind it is undergoing a kind of ritualistic purification. I’ve been obsessed with David’s music since I bought a recording by mail order of his piece cheating lying stealing when I was in high school, and I have written a piano piece called David Lang Needs a Hug…

By David Patrick Stearns

NEW YORK — Among downtown New York composers, few stick so relentlessly to the cutting edge as Julia Wolfe.

Now 50, she recently wrote a piece for nine bagpipes that sent her two children running for cover in her SoHo loft. Even her husband, Michael Gordon, who with her cofounded the composer collective Bang on a Can, has been moving toward more mainstream music for opera and film…