Alright so I had this idea completely on my own with no prodding from someone else The guitar solo at 30 seconds, the first verse at 1:07, and the final verse at 3:09 are all possibilities that I think would work well as end round songs.
“99 red balloons” is an insult to the band. In there 30 years of performances they have not once sung an English version , not even while in England. All members of the band have a strong distaste for the English version. That being said, +1 99 Luftballons