When composers publish their scores or prepare them for performance, they need an editor — a role that rarely enjoys the classical music limelight.

The 27-year-old musician Alexandre Kantorow has rapidly received worldwide attention. That hasn’t changed his approach to making music.

The directors of the London Contemporary Music Festival discuss this year’s edition, the event’s 10th anniversary.

The coastal festival, founded by the composer and Peter Pears in the 1940s, has built a reputation for rich, forward-looking programming.

The coastal festival, founded by the composer and Peter Pears in the 1940s, has built a reputation for rich, forward-looking programming.

Kirill Gerstein’s immense recording project “Music in Time of War” surveys works by artists who witnessed World War I and the Armenian genocide.

Gustav Holst composed “The Planets” with crucial help from others. Firsthand accounts and the score reflect how collaborative its creation was.

Pavel Kolesnikov and Samson Tsoy, partners onstage and off, began to play as a duo in school. Now, they are dedicating their careers to it.

Pavel Kolesnikov and Samson Tsoy, partners onstage and off, began to play as a duo in school. Now, they are dedicating their careers to it.

Oliver Leith’s opera, based on the Gus Van Sant film that fictionalized the end of Kurt Cobain’s life, has its U.S. premiere in Los Angeles.