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 Read more on Last.fm