Last month, Jerry Douglas released his new album, Traveler, which includes cameo appearances from an all-star list of musicians including Mumford and Sons, Paul Simon, Keb’ Mo, Marc Cohn, Eric Clapton, and Alison Krauss. Below, hear Douglas team up with Simon and Mumford and Sons on the Simon and Garfunkel classic “The Boxer.” Traveler is out now on Entertainment One Music.