Marc Malkin Senior Film Awards, Events & Lifestyle EditorBrittany O’Grady can certainly relate to Bess, the aspiring singer-songwriter she plays in “Little Voice,” Sara Bareilles’ semi-autobiographical Apple TV Plus series.Whereas Bess works as a dogwalker and a bartender to make ends meet, O’Grady was a host at Figaro Bistrot in Hollywood when she was 17. She was fired after two months because she went home back East for the holidays to look at colleges.