Dr. John

Malcolm John «Mac» Rebennack, Jr. (born November 21, 1940), better known by the stage name Dr. John (also Dr. John Creaux), is an American singer/songwriter, pianist and guitarist, whose music combines blues, pop, jazz as well as Zydeco, boogie woogie and rock and roll.
Active as a session musician since the late 1950s, he came to wider prominence in the early 1970s with a wildly theatrical stage show inspired by medicine shows, Mardi Gras costumes and voodoo ceremonies. Rebennack has recorded over 20 albums and in 1973 scored a top-20 hit with the jaunty funk-flavored «Right Place, Wrong Time,» still perhaps his best-known song.