Some songs just won't let go — you hit 'last one' and replay anyway. Get Go just fell into exactly that loop.
Why does one song make us replay forever?
A catchy melody plus a repeating hook makes the brain feel rewarded each listen, so the more you hear it the more you want another go. That's why 'just one more time' rarely stops at one.
About this article: a DETOON entertainment comic (Get Go and Luna), not music commentary.