It's impossible to narrow down Ozzy Osbourne and Black Sabbath's most important and influential songs to just 15, but these are a good point of entry.

Ozzy Osbourne's Black Sabbath bandmates Tony Iommi, Geezer Butler, and Bill Ward paid tribute to the late 'Iron Man' singer after his death at age 76: 'There won't ever be another like him.'

Ozzy Osbourne and Black Sabbath officially ended their legendary 57-year career in front of a sold-out crowd of 40,000 at “Back to the Beginning: Ozzy’s Final Bow,” held at Villa

Following Ozzy Osbourne's death earlier this morning, his Black Sabbath band mates have each shared statements about his passing, posting separately to social media to honor their late friend and collaborator.