The Rockin' 1000 proved themselves worthy of Dave Grohl's attention last year when they coordinated a mass play-along of Foo Fighters' 'Learn to Fly'.
Now, the Italians have repeated the feat, gathering together 1,200 musicians in the city of Cesena to play/sing along to a tune by Grohl's former band Nirvana.
That's Live - The Biggest Band on Earth, as they're now known, covered David Bowie's 'Rebel Rebel' and The White Stripes' 'Seven Nation Army' in the past, too - but watch their take on 'Smells Like Teen Spirit' below: