Adverblog found this musical prang of lastminute.com which promotes their last minute ticket service for theatres (I think).
As nice as the idea appears, it is (as it often happens in advertising) not a very new idea. May it’s the first time, the idea was used in a commercial. But on YouTube, there are videos of the “prangstgrup” that date back to August of 2006! See this clip here: