This is the lamest guess ever...but for some silly reason, reading henry's hints about needing help...and the train going off the tracks...this popped into my head.
"50 ways to say goodbye" by Train.
( oh and while I'm totally making stupid predictions...i'll add one more. based on the hint about the Christmas tree dancing around the room )
Rocking around the Christmas Tree.
pretty sure these are wrong, but would love to have both in RB.