Hours after Lamb of God covered Black Sabbath’s "Children of the Grave" at Ozzy Osbourne’s farewell concert, the band released a studio version of the track.

Metallica and Guns N' Roses paid tribute to Black Sabbath at Ozzy Osbourne's 'Back to the Beginning' finale concert on ...

Sabbath and Ozzy bid farewell to nearly six decades of heavy metal with a star-studded all-day salute featuring Metallica, ...