The co-founders of Black Sabbath paid tribute to their doomsayer-in-chief following the news of Ozzy Osbourne’s death at age 76 on Tuesday.

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,

The bill was rounded out by the likes of Metallica, Guns N’ Roses, Slayer and Gojira, all of whom played short sets consisting of their own material and one or two Sabbath or Osbourne covers. Famed actor Jason Momoa compered and Rage Against The Machine guitarist Tom Morello was the musical director.

Geezer Butler, Black Sabbath's iconic bassist, was spotted enjoying a Backstreet Boys concert in Las Vegas, humorously sharing his ‘audition’ for the band on Instagram after his 76th birthday.

Ozzy Osbourne Says Geezer Butler Never Called Him During Health Issues; Bassist Responds Jon Hadusek. The Black Sabbath bassist insists he made two attempts to contact Ozzy in recent years.

Black Sabbath are widely regarded as the inventors, or at least leading pioneers of, heavy metal music. The Birmingham band – whose original and final line-up comprised bassist Geezer Butler, guitarist Tony Iommi,

Black Sabbath bassist Geezer Butler got the idea for their name from a 60s horror film.

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,