It was originally recorded by John Lee Hooker, who I had seen at the old Colonial Tavern. on Yonge Street. Thorogood's cover was as good as the original IMO.
One of the earliest live shows I ever saw, they opened for Bachmann-Turner Overdrive. Even in Wolverhapton that ubiquitous Verdi tune shows up. BTO/Slade: Not Fragile Tour.