Black Sabbath had left the band. Walker, who was at that time fronting a band called Mistress, flew to Birmingham from California in late 1977 to write material and rehearse with Black Sabbath. On 8 January 1978, Black Sabbath made their only live performance with Walker on vocals, playing an early version of the song "Junior's Eyes" on the BBC Television programme "Look! Hear!" Walker later recalled that while in Birmingham he had bumped into Osbourne in a pub and came to the conclusion that Osbourne was not fully committed to leaving Black Sabbath. "The last Sabbath albums were just very depressing
Jack Osbourne World Detour". Osbourne was born in London to heavy metal singer Ozzy Osbourne of Black Sabbath, and his wife and manager, Sharon ( Levy). He has two elder sisters, Aimee and Kelly Osbourne, as well as two paternal half-siblings, Louis John Osbourne and Jessica Hobbs, from his father's previous marriage. Osbourne has stated that his childhood was "perfectly happy and contented". For the first six years of his life, he lived in the Chiltern Hills in Buckinghamshire. When he was six, his parents moved the family to Los Angeles, but a year later the family returned to Buckinghamshire. When Osbourne