Billie Joe Armstrong originally wrote the song about his father passing away
The song became a regular fixture in the band's set during the recent tour
Replete with speedos and a full body horse get-up
The song is a nod to '2001: A Space Odyssey'
"It's the BEST feeling being out on the road w/ the 'Hella Mega Tour'!"
The band's delayed stadium tour with Weezer and Fall Out Boy is finally on the road
The tour with Fall Out Boy and Weezer kicked off last night in Texas
The band played a host of classic hits
The "once-in-a-generation" broadcast will take place in September
The arrival of the new figures was teased earlier this year