Brandon Flowers

For most musicians, headlining Glastonbury is the ultimate Dream - a bucket list item ticked off after years and years of live gigs.

But thanks to Elton John , 20-year-old Stephen Sanchez has already had a taste of topping The Bill at Worthy Farm.

The US artist joined The Music legend On Stage as the 76-year-old played The Last UK show of his farewell tour.

Walking on to such a vast crowd felt like a " spiritual experience" Stephen tells BBC Newsbeat.

Elton promised four surprise guests on The Pyramid Stage - Leading to a frenzy of speculation about which A-list stars might join Him .

Dua Lipa , Harry Styles and Britney Spears were all thrown around.

Instead, The Crowd , estimated at 120,000 people, was treated to Rina Sawayama , Jacob Lusk from Gabriels and The Killers ' frontman Brandon Flowers belting out Elton's big hits.

But unlike The Others Stephen got to perform his own Song - Viral hit Until I Found You.

" It feels like you're stepping into The Shoes of your hero a little bit, and The Torch is being passed along, " Stephen says.

And he says Elton choosing to support lesser-known artists, rather than performing with the likes of Britney and Harry Styles , shows his kindness.

Stephen has known since January after being introduced by Elton at an event in Los Angeles .

" Waves of memories [came back] of sitting in class, dreaming about being on that Stage , closing my eyes and seeing The Crowd and flags, " he says.

" I'd Get In trouble for watching festivals on the computer instead of [focusing on a class] happening in front of me. "

And you might think it's tough to keep such a massive secret, But Stephen says " it was easy" because it felt so surreal.

" It didn't feel like it was really happening, until days Leading up to The Festival . "

Stephen wouldn't reveal how Elton prepares for his gigs behind The Scenes - But he says what you see On Stage is what you get behind it.

" He's got a great warm-up, it's fun to hear, " he says.

" But he's exactly how you'd imagine Him . . just a wonderful guy. "

So, after performing to a potentially record-breaking Pyramid Stage audience, how did Stephen decide to celebrate?

Well, he decided to have a bit of a calm one.

" I got back to The Place we were staying at, I put on PJs, I ate a Twix, and laid in bed and called The People I love.

" And Then I went to sleep. "

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Source of news: bbc.com