Rock fans everywhere were saddened to hear the news of former Black Sabbath frontman Ozzy Osbourne’s death on July 22. With tributes pouring in, fans are curious to learn more about Osbourne’s official cause of death.

Two of Ozzy Osbourne’s books are on the bestseller list following his death2. As of July 24, Osbourne’s memoirs, including 2010’s 'I Am Ozzy' and the forthcoming 'Last Rites,' were in top spots on Amazon's Movers and Shakers bestseller list.

KISS frontman Gene Simmons pays tribute to Ozzy Osbourne on "CBS Mornings," calling the Black Sabbath legend a "pure human being."

The back catalogue of Ozzy Osbourne and his band Black Sabbath has surged in the charts following the rockstar’s death. Black Sabbath’s signature song Paranoid, a number four hit in 1970, has returned to the Top 40 (at number 32) for the first time in nearly 45 years,

Heavy metal lost its “Prince of Darkness” when Ozzy Osbourne died earlier thisweek at the age of 76. From Black Sabbath’s thunder to late‑career Grammys, hereare ten tracks that trace the arc of Ozzy’s one-of-a-kind career in music.