Muddy Waters at Molde Jazz festival (1977).

Song title is "Prison Bound Blues" and was written by Leroy Carr, American blues singer, songwriter.
This is probably best quality video of legendary Muddy Waters you can find!
Considered as "father of modern Chicago blues" Muddy Waters became inspiration to many blues and rock musicians including Chuck Berry, Eric Clapton, Jimi Hendrix, Led Zeppelin and The Rolling Stones.