Billie Joe Armstrong, the lead singer of Green Day, shared a video celebrating his Johannesburg concert where he changed some lyrics to mock Elon Musk

On Tuesday, Jan. 7, Billie Joe Armstrong watched Callum McMorran perform Green Day's hit "Good Riddance (Time of Your Life)" at Cavern Club in Liverpool. While McMorran played the 1997 classic on acoustic guitar, footage from the venue showed that Green Day's lead singer was also filming the performance on his phone in an Instagram post.

Green Day delivered a pointed message to billionaire Elon Musk while on stage in his home country of South Africa. When performing their biggest hit “American Idiot,” the band’s singer Billie Joe Armstrong changed the lyrics from “I’m not a part of the redneck agenda” to “I’m not a part of the Elon agenda.