AC/DC struggled without Scott until they were able to hire a singer named Brian Johnson with the hope that he could bring the same energy to the table. Although he never quite reached the mark that Bon Scott was at, he filled his shoes almost to the correct size. If it weren't for Bon Scott's sheer power and electricity on stage, rock and roll might not have gotten to where it is today.
Roger Daltrey
The Who was a force to be reckoned with. Driven by the theatrics of Roger Daltrey in the 1960s, The Who was able to create uniquely intense experiences for their concertgoers that was like anything else of the era.