No one explodes one of the longest-held misconceptions of music history better than Steve Lukather and his band Toto. The dominant sound of the late ‘70s and ‘80s was not punk, but a slick, polished amalgam of rock and R&B first staked out on Boz Scaggs’ Silk Degrees. That album was shaped in large part by the founding members of Toto, who were emerging as the most in-demand elite session crew in LA, and further developed on the band’s self-titled multi-platinum debut. A string of...