(hennemusic) Green Day have posted a Happy Birthday message to fellow San Francisco Bay-area rockers Metallica, as the metal icons mark their 30th Anniversary this week with a series of shows at the legendary Fillmore.The black and white clip shows Green Day in their rehearsal room performing the Misfits classic, "Hybrid Moments."
At the end of the track, Green Day singer Billie Joe Armstrong throws in a salute to their comrades, singing Happy Birthday to "you old-ass mother**kers
30 years of Metallica." more on this story
