User blog comment:FLittleBastard/Breaking Dawn Part 2 The Score List Revealed!!/@comment-201.216.146.2-20121216233005/@comment-3984470-20121216234955

Yup, it has the same melody as "Honeymoon in Eclipse." I'm not sure if it's exactly the same, because I don't own the score yet, but it certainly sounds just like it.