"It's a Barnum and Bailey world, Just as phony as it can be, But it wouldn’t be make-believe, If you believed in me"- Barnum and bailey is a circus act, implying that the whole world is a show put on, possibly mirroring Blanche's self awareness of her apperance being a "trick". The second half is also foreshadowing her downfall with Mitch, "Never inside, I never lied in my heart"
