Michael J. FoxjoinedColdplaySaturday night for a surprise performance at theGlastonburymusic festival.

Frontman Chris Martin provided a freestyle riff in the middle of their 2021 hit Humankind.

Here is another legendary Michael, Martin said about Fox after also introducing festival founder Sir Michael Eavis.

The Searchers

One who just totally rocks.

He held a guitar in his lap during the bands headlining set.

Watch on Deadline

Martin knelt near Fox for Fix You.

Martin later told the crowd that Fox was the reason the band formed in the first place.

Fox, Martin added.

Thank you so much, our hero.

Watch the complete video above.

UPDATE:In anInstagram posttoday, Fox praised his team and Coldplay for making the moment happen.

And many thanks to Chris, Will, Johnny, Guy and Phil.

Fox continued, Oh yeah in case you were wondering…it was f mind-blowing.

There is a time for every band and a band for every time.

This is @coldplays time.