Bassist and metal progenitor Geezer Butler has written countless iconic tracks with Black Sabbath, but one misguided effort from 1976 stands out as "cringy".

Black Sabbath reunited for the first time in 20 years at their farewell show, Back to the Beginning, on July 5, but it wasn't without some drama.

More than 40,000 fans attended Ozzy Osbourne’s Back to the Beginning farewell concert at Villa Park in Birmingham, England, and millions more viewed the July 5 event via livestream. The Guardian reported that the iconic heavy metal band's final show was streamed by over 5 million fans worldwide.