(Video Link) Although they lack Chewbacca's vocal range, the dogs in this Purina ad can impressively bark out a tune. Be sure to take them caroling with you this year. -via Ace of Spades HQ...

If this doesn't get you in the moo...  ...overtone singer Tran Quang Hai singing Jingle Bells with overtones. What's an overtone? Basica...

The National Air and Space Museum, a part of t...  ...Smithsonian Institution, keeps these very special jingle bells as a part of history. These bells are part of the harmonica and bell set carried by...  ...ch other, astronauts Schirra and Stafford played " Jingle Bells " wit...

(YouTube link) What are all those microwave ovens for? Watch and find out! From digital agency AKQA. -via Viral Video Chart...