What a week and Holiday treat for music fans. Many legends unexpectedly linked up and many great bands merged together to surprised audiences this past week. Here are a few videos of some of those moments.
Mick Jones & Paul Simonon of The Clash with Primal Scream performing "Brand New Cadillac" in London.
The National & Bon Iver performing "Vanderlyle Crybaby Geeks" on CBC Q Radio.
Gaslight Anthem & Bruce Springsteen performing "American Slang" in New Jersey.
Metallica with Ozzy Osborn & Geezer Butler of Black Sabbath performing "Ironman" and "Paranoid" in San Francisco.