Nathaniel Clifford "Nate" Walcott is an American musical composer, arranger, and multi-instrumentalist. He has composed the scores for several feature-length films, including 2014's The Fault in Our Stars. He is a member of the band Bright Eyes, and has played in Conor Oberst's Mystic Valley Band and with singer-songwriter M. Ward. Between 2016 and 2019, Walcott was the touring pianist and keyboard player for the Red Hot Chili Peppers, during their The Getaway World Tour.