Joseph Williams of Toto at Denver Day of Rock, May 26, 2012

Singer Joseph Williams as the lights dim for the last time on Toto’s headlining performance at Denver Day of Rock, May 26, 2012. (Daniel J. Schneider)

Singer Joseph Williams as the lights dim for the last time on Toto’s headlining performance at Denver Day of Rock, May 26, 2012. (Daniel J. Schneider)