Rowland Salley (born November 2, 1949) is an American musician, songwriter and artist, sometimes called Roly Salley. Salley is a bass guitarist and vocalist for Chris Isaak's band Silvertone. His best-known tune is "Killing the Blues", which has been covered by John Prine, Chris Smither, Shawn Colvin, Robert Plant and Alison Krauss, and most recently Shooter Jennings and Billy Ray Cyrus in 2015. As a band member for Chris Isaak, he was a regular on The Chris Isaak Show. Salley resides in California with his wife.