A MUSIC FROM THE PAST THREE-FER

 Three completely different takes on "Mack the Knife."

First, Liberace:

https://www.youtube.com/watch?v=6wZ-nbU76rk

Then, Bobby Darren:

https://www.youtube.com/watch?v=557lFG-qq5g

Last but not least, Louis Armstrong and Lotte Lenya:

https://www.youtube.com/watch?v=5362wt7-dEM