Amber Dawn Coffman (born June 15, 1984) is an American musician, singer and songwriter based in Los Angeles, California, formerly based in Brooklyn, New York. A former member of Sleeping People, Coffman is best known as a former guitarist and vocalist for the indie rock band Dirty Projectors. She released her debut solo album, City of No Reply, on June 2, 2017. 　　She has also collaborated with electronic artist Rusko on the 2010 track "Hold On" and with Diplo of Major Lazer on the 2012 track "Get Free". In 2013 she was featured on hip hop artist J. Cole's song "She Knows" from his album Born Sinner. In 2012, she collaborated on "No Regrets" with Snoop Lion and T.I.. She also collaborated with rapper Riff Raff on a song called "Cool It Down" on his Neon Icon album.