Mariah Carey and My Chemical Romance Mash-Up 'Welcome to the Christmas Parade' Is An Early Xmas Gift

Mariah Carey performs in 2012
James Devaney/WireImage

Mariah Carey sings during a pre-tape performance for NBC's Christmas tree lighting at Rockefeller Center on Nov. 27, 2012 in New York City. 

Sometimes Christmas comes early, and a generous YouTuber has delivered an unexpected present before December even hits. Blending Mariah Carey's holiday cheer with My Chemical Romance's bummer doom, the Tuber oneboredjeu created the masterful mash-up "Welcome to the Christmas Parade."

The somehow perfect effort pulls together Carey's Xmas classic "All I Want For Christmas is You" and MCR's not-so-cheery "Welcome to the Black Parade" for a new instant classic that mixes, the beaten, the damned and the sleigh bells.

Check it out:

And, just in case you didn't think MCR could do the holidays (or Mariah) all on their own, here's their version of "All I Want For Christmas is You."