So I am guessing you can't solve the riddle of how a song can peak, in the same country, at two different numbers, without revealing more than you want about the song?

Certainly, a song can re-enter the charts and climb higher, the second time around, but technically, isn't there still one "peak" --in this case the latter re-entry?

Assuming it's the same band/singer you'd be correct

Creators of music have a responsibility to their craft. When they have finished using all the notes and words, they must pass them down to the next generation with a simple request. “Use these to create new music.”...Steven McDonald