A Very Strange Cover Song

There have been threads for "better than original" cover songs and threads for horrible cover songs. This cover song doesn't really fit into those categories or anywhere in between. It just makes no common sense why it was actually done, unless we go further with what Lawrence Welk calls the song at the end. Maybe he had more than bubbles behind the orchestra.

https://www.youtube.com/watch?v=t8tdmaEhMHE

Any others that might be a fit for the strange category?