I don't know about Frank and Dusty, but Billy is a health freak.
Not being a devoted fan, I did not discriminate in judging the members of the band.
The two guys out front with the beards were terrible. The score had been simplified to make it easier to play, and they still missed notes. They could not hit the notes in the vocals either.
Bummer. My father used to despair over all the talented musicians he worked with. They had everything a person could want: money, fame, women, adoring fans. But they traded it all for getting high. My father truly loved music above all, and it made him sad.