🎄 Mariah Carey - All I Want for Christmas Is You – A Flashback Breakdown This breakdown originally went up about two years ago, and instead of remaking it in my current format, I wanted to share it again as a flashback breakdown — a chance to revisit just how much is hiding inside this song as the holiday season comes to a close. What often gets overlooked is how massive this production really is. Mariah Carey doesn’t just double her vocals — she layers them three and four deep, with backing vo