metal singer Ozzy Osbourne's first in the world

yes we all know that metal singer Ozzy Osbourne was the first in the world .  Ozzy Osbourne members of a band called black sabbath which had the blues genre. then one day when Ozzy Osbourne with Black Sabbath was training near a movie theater, Ozzy Osbourne and Black Sabbath friend friend in the movie theaters to see a horror movie it's very crowded and sold out tickets sold. wrote to my grandmother's grandmother was willing to queue up to see the film. ozzy and his friends finally agreed to make the band name to Black Sabbath and feel of their music into the nuances of the music since it's horror.
for more details, please you read wikipedia about the history of black sabbath