Mastodawn

What would you do if you & your cover band started playing Green Day's "Basket Case" on stage at a dive bar...
...and out of the blue, Billie Joe Armstrong jumps on stage to sing with you? 🤪

"Green Day's Billie Joe Armstrong Surprises Cover Band on Stage" - People
https://people.com/music/billie-joe-armstrong-surprises-cover-band-green-day/

#greenday #borderlinetoxic

Billie Joe Armstrong Surprises Cover Band by Joining Them for Green Day Classic: Watch

Billie Joe Armstrong surprised a cover band in London while they were playing Green Day's 1994 smash "Basket Case" during a concert, and the whole thing was documented in a new viral clip

Peoplemag