Charles Douglas Musselwhite (born January 31, 1944) is an American blues harmonica player and bandleader, one of the white bluesmen who came to prominence, along with Mike Bloomfield, Paul Butterfield, and Elvin Bishop, as a pivotal figure in helping to revive the Chicago Blues movement of the 1960s. He has often been identified as a "white bluesman".Musselwhite was reportedly the inspiration for Elwood Blues; the character played by Dan Aykroyd in the 1980 film, The Blues Brothers.

Source: Wikipedia (https://en.wikipedia.org/wiki/Charlie_Musselwhite)