India, July 6 -- Ozzy Osbourne's final concert with Black Sabbath is underway in Birmingham. Over half a million people have tuned in to watch the 'Prince of Darkness' perform one last time on stage, the Independent reported. This marks the first time the original Black Sabbath band members have reunited in 20 years. For Ozzy Osbourne, the concert, called 'Back to the Beginning', goes back to his roots, quite literally. The concert venue, Villa Park, is near his childhood home in Aston. It's not just Black Sabbath, other heavy metal groups like Metallica, Guns N Roses and Alice in Chains were also featured in the concert.

While the concert may mark the end of Ozzy Osbourne's career, the heavy metal legend's influence extends far beyond m...