Green Day played in Chicago on Sunday and they invited a fan to join them on stage.

I've seen Green Day a while ago, and they did the same thing. It looks like it is something they do at a lot of shows.

When I saw it happen live, Billie Joe Armstrong, the lead singer of Green Day, said that anyone who can play guitar can play a Green Day song.

Admittedly, most Green Day songs are three or four chords.

Pretty much the same thing happened this past Sunday at Aragon Ballroom in Chicago when a fan got pulled on stage and played "When I Come Around."

What do you think? Did the fan nail his part or what?

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