"Mack the Knife" or "The Ballad of Mack the Knife" (German: "Die Moritat von Mackie Messer") is a song composed by #KurtWeill with lyrics by #BertoltBrecht for their 1928 music drama #TheThreepennyOpera (German: Die Dreigroschenoper). The song tells of a knife-wielding criminal of the London underworld from the musical named #Macheath, the "Mack the Knife" of the title.
https://youtu.be/4jcCwmtVAIM