Composer John Luther Adams On The Arctic Sounds That Shaped His Work

This has been a booming year for composer John Luther Adams. His 2014 Pulitzer Prize-winning orchestral work Become Ocean has been re-released as part of a trilogy. Recordings of new string quartets have just come out. And he's just published a memoir, Silences So Deep: Music, Solitude, Alaska. The title was inspired by a line in "Listening in October," a poem from the late John Haines:

There are silences so deep
you can hear
the journeys of the soul,
enormous footsteps
downward in a freezing earth.