Angelique's notes mentioned that the environment was supposed to be a "cabaret" type. I did some research into the musical and I felt the red velvet colors could work well with it's themes of stardom and scandal.
Gallery and Press - Ronnie Scott's Jazz Club - London - was there August, 2013 The music was homegrown American. But if you are an American, don't order a hamburger there. You'll have to eat it with a knife and fork.