Rowland Salley is an American musician, sometimes called Roly Salley. He 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, Shooter Jennings and Billy Ray Cyrus, Lo-Fang and Sean Keane. As a band member for Chris Isaak, he was a regular on The Chris Isaak Show.