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.

"It's just such heartbreaking news that I can't really find the words, there won't ever be another like him," Iommi said.

Bassist Terence “Geezer” Butler, guitarist Tony Iommi, lead singer Ozzy Osbourne, and drummer Bill Ward were all between the ages of 18 and 20 when they began playing together in Birmingham. Naming themselves after an Italian horror film in early 1969,

Members of Black Sabbath honored Ozzy Osbourne with heartbreaking words and reflected on how four kids from Aston went on to become global music legends. Drummer Bill Ward, bassist and lyricist Geezer Butler,