I've been bad about logging these, mostly because usually I never do anything I haven't done before, and also because my main karaoke experience has been the one my bro-ham-in-law runs and not Staraoke. Nonetheless:
"Good Thing" - Fine Young Cannibals (R) "Yummy Yummy Yummy" - Ohio Express
It's a variation on an old theme generally known as a "pousse cafe". Traditionally they're done in 5 to 7 layers and are either sipped from the top or through a (silver) straw from the bottom, but always a layer at a time.