There are several artists by the name Robert Johnson: 1. An American blues singer, guitarist and songwriter (1911-1938) amongst the most famous of Delta blues musicians; ranked fifth in Rolling Stone's list of 100 Greatest Guitarists of All Time; considered by some to be the "Grandfather of Rock 'n' Roll" 2. An English lutenist and composer of the late Tudorian and early Jacobean eras (c.1580-c.1634) 3. A 1970s Memphis-based American guitarist 4. A former drummer for KC and the Sunshine Band 1.