Green Umbrella

Claire Chase performs Steve Reich’s “Vermont Counterpoint” during a concert billed as “Maximum Minimalism.”   (Lawrence K. Ho / Los Angeles Times)

Christopher Rountree conducts the wild Up ensemble in Julius Eastman’s “Stay On It.”   (Lawrence K. Ho / Los Angeles Times)

The Calder Quartet -- from left, Benjamin Jacobson, Andrew Bulbrook, Jonathan Moerschel and Eric Byers -- performs Steve Reich’s “Different Trains.”   (Lawrence K. Ho / Los Angeles Times)

The music keeps going during intermission. Musicians from the International Contemporary Ensemble and wild Up perform in the lobby-adjacent BP Hall.   (Lawrence K. Ho / Los Angeles Times)

Andrew McIntosh’s “Silver and White” is given an outing by wild Up. The piece’s percussionist stands on a platform beyond the main quartet.   (Lawrence K. Ho / Los Angeles Times)

David Lang’s “death speaks,” written as a coda to his Pulitzer-winning oratorio “the little match girl passion,” is performed by, from left, Nico Muhly, Andrew Tholl, Shara Worden and Gyan Riley.  (Lawrence K. Ho / Los Angeles Times)

Composer David Lang is invited to the stage after the performance of his “death speaks.”   (Lawrence K. Ho / Los Angeles Times)

The International Contemporary Ensemble, conducted by David Fulmer, performs Steve Reich’s “Radio Rewrite” during the “Maximum Minimalism” program at Disney Hall.  (Lawrence K. Ho / Los Angeles Times)

David Fulmer conducts the International Contemporary Ensemble in Steve Reich’s “Radio Rewrite.”   (Lawrence K. Ho / Los Angeles Times)

John Adams conducts the Los Angeles Philharmonic New Music Group in the world premiere of Mark Grey’s “Awake the Machine Electric.”   (Lawrence K. Ho / Los Angeles Times)

Composer Mark Grey, left, acknowledges the audience after the premiere of his “Awake the Machine Electric.” Conductor John Adams joins the applause.  (Lawrence K. Ho / Los Angeles Times)

Composer Missy Mazzoli hugs John Adams, who conducted the world premiere of her “Sinfonia (for Orbiting Spheres), at the piece’s conclusion.   (Lawrence K. Ho / Los Angeles Times)