Meet Vaults, the band covering Randy Crawford's One Day I'll Fly Away in this year's John Lewis Christmas advert.
After much speculation the annual festive promo was released this morning.
You might have already seen the hashtag #Bustertheboxer trending on Twitter.
But the boxer dog in this year's advert isn't the only thing people are discussing - the backing track has also got people talking.
The department store is known for asking musicians to cover classic songs in the festive ad.
In the past we've heard covers from Lily Allen, external, Tom Odell, external and Norwegian singer Aurora, external.
But who are Vaults?
Vaults: Who are the band on the John Lewis advert?
The electronica band are from south London and are made up of lead singer Blythe Pepino and instrumentalists Barney Freeman and Ben Vella.
The band formed in 2013 and are set to release their debut album next year.
Today might be the first time you're hearing of them, but the band has been on the BBC's radar for quite some time.
In February this year they got a lot of attention when they played live for Huw Stephens on BBC Introducing.
Watch Vaults performing on BBC Introducing., external
This John Lewis ad is not the first time Vaults feature on a backing track.
In 2015 their song One Last Night was featured on the soundtrack for the Fifty Shades of Grey film.
Watch the official video for that song., external
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Set to Vaults' cover version of the song One Day I'll Fly Away, the two-minute advert tells a make believe story of Buster the Boxer dog and his family at Christmas.
If you haven't seen this year's John Lewis ad already prepare yourself for a mystical style soundtrack, a cute child and as many loveable animals as ever.
Watch the official John Lewis Christmas Advert 2016., external
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