G.J. Echternkamp tells the story of his relationship with his parents, his mother Cindy (Russo) and his step-father, Frank (Platt). Frank used to be a member of OXO, a band from the '80s whose one hit wonder scored with the song Whirly Girl. Cindy was the ultimate groupie who married Frank and thought life would be glamorous and award shows, but it's not how it turned out.…