Portland, Oregon resident Matthew Cooper records ambient music under the alias Eluvium. With effects-heavy guitar drones that would feel equally at home on an album by Brian Eno or Fennesz, his recordings obtained a passionate following among fans of post-rock and experimental indie. Over time, his sound grew and branched out, incorporating strings, vocals, pianos, and more overt classical influences. His debut release, Lambent Material, was released on the Temporary Residence imprint in 2003. The acclaimed shoegaze-drone album was followed in 2004 by a solo piano album titled...