The clip then chronologically goes back through special moments in the John's life, such as that time he performed an epic stadium concert in the 1970s West of the Rockies Tour in North America.
If there were a John Lewis Christmas ad formula, it would look something like this: (Cute kid + adorable animal) x (many feels + nostalgia) ÷ retail experience. Especially for fans of the legendary Elton John. The space includes dressing room, recording studio and living room sets from the ad, as well as props, recordings from Elton John's 17-11-70 album and the opportunity to have photos taken at the piano.
They said in a tweet: "To reflect this year's John Lewis Christmas advert, The Boy and The Piano, which has its first TV broadcast on ITV this evening, the title music of some of our shows has been given a piano twist today".
With the exception of the present-day opening scene featuring Sir Elton himself, actors take on the role of him at various stages of his life, while the images of the stadium based on a concert in Portland in the United States were entirely recreated with computer-generated imagery.
It ends with a young Elton, four, running down the stairs on Christmas morning to unwrap his grandmother's gift of a piano.
The cost of this year's ad campaign is thought to be about £7 million, with Elton receiving a six-figure fee.
Well, this year's ad has finally dropped and it is a treat. They've produced some truly heartwarming adverts over the years, check out some of the best John Lewis Christmas adverts.
Last year's John Lewis Christmas ad focused on the tale of Moz the Monster who lived under the bed of seven-year-old boy Joe.