Tony Iommi, Black Sabbath guitarist and co-founder, told UK broadcaster ITV that Osbourne was “frustrated” during the band’s farewell concert on July 5. The heavy metal icon died less than three weeks later, on July 22, at age 76.

A soulful performance from a heavy metal legend took on a new meaning Tuesday following the death of Ozzy Osbourne. After the announcement that the Black Sabbath frontman and "Prince of Darkness" died at the age of 76,

Osbourne, who battled Parkinson’s before his death, sat onstage in a black leather chair as he performed for the 42,000-person crowd. He sang five songs by himself, before he was joined by his former bandmates for four Black Sabbath songs.

An upcoming documentary about Ozzy Osbourne’s health setbacks and his desire to stage a farewell concert will still arrive later this year.

Ozzy Osbourne died on July 22, less than three weeks after his emotional Black Sabbath farewell show at Villa Park in Birmingham, England, his wife and kids announced on Instagram. As tributes poured in, Osbourne’s fans and famous friends remembered his music and other big moments from his life. ...