Christopher Ryan Walla is an American musician, record producer, and film music composer, best known for being a former guitarist and songwriter for the band Death Cab for Cutie.

Benjamin Gibbard is an American singer, songwriter and guitarist. He is best known as the lead vocalist and guitarist of the indie rock band Death Cab for Cutie, with whom he has recorded ten studio albums, and as a member of the supergroup The Postal Service. Gibbard released his debut solo album, Former Lives, in 2012, and a collaborative studio album, One Fast Move or I'm Gone (2009) with Jay Farrar.