Nashville Music: Scarlett Sings "Casino" at End of Episode 13 Tweet February 13, 2013 at 11:07PM EST by Whitney Ricketts Related: Nashville, Music , Scarlett O'Connor , Season 1 Episode 13 Credit: ABC There's nothing more haunting than Scarlett O’Connor (Clare Bowen)'s voice, and that truth was laid bare at the end of Nashville Season 1, Episode 13, "There'll Be No Teardrops Tonight."