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.

The rock band blasted the tech billionaire with a spicy lyric swap during its performance at the Calabash South Africa festival in Johannesburg.

Green Day changed to the lyrics of their hit track American Idiot during a recent concert in Johannesburg, South Africa, to take aim at Elon Musk

Green Day have taken lyrical aim at Elon Musk while performing in his home country of South Africa. The band’s frontman Billie Joe Armstrong reportedly switched a line in their 2004 hit “American Idiot” from “I’m not a part of the redneck agenda” to “I’m not a part of the Elon agenda.

American rock band 'Green Day' disses Elon Musk in his own home country. The band took an aim at the Tesla CEO with a change in 'American Idiot' lyric. Green Day's direct swing at Musk comes just weeks after the X owner mocked the band in his tweet.