Soundgarden have posted a tribute to Ozzy Osbourne and Black Sabbath that also explains their absence at the Back to the Beginning concert.

After Metallica’s performance, Osbourne, 76, came out on stage and performed a five-song set by himself, before he was joined by his former bandmates Tony Iommi, Bill Ward and Geezer Butler for four of the group’s songs.

Sharon Osbourne revealed that she disinvited one well-known band from performing at Black Sabbath's final performance with her husband, Ozzy Osbourne. "After the show I’ll let everybody know who it was.