"Let's Be Common!"

Here's a clip from an early Ernst Lubitsch musical, The Love Parade. I found the leads, Maurice Chevalier and Jeanette MacDonald, a bit so-so, but thought this duet between Lupino Lane and Lillian Roth was pretty nifty (they play a butler and a maid to the principal characters):

I'm not sure why the video cuts off at the end, but he chases her up to her room and then [spolier alert] she throws him out the window (complete with shattering glass).