"Count the headlights on the highway."
Should Auld acquaintance be forgot and never brought to mind? Should auld acquaintance be forgot for the sake of Auld Lang Syne? For Auld Lang Syne, my dear, for Auld Lang Syne. We’ll tak’ a cup o’ kindness yet for the sake of Auld Lang Syne. Etc.
Although I still understood what the answer was, (and there are some slight variations of the song) I think more people would answer if the hint was changed slightly.
Great quiz overall :)