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
Mac Sabbath March 2018. In October 2018, Mac Sabbath released their second music video, "Sweet Beef", a parody of 1971's "Sweet Leaf". While Black Sabbath has made no official statement regarding Mac Sabbath's existence, on January 1, 2015, Black Sabbath's official Facebook page publicly acknowledged Mac Sabbath by posting a link about the band through an article by the "LAist", though the link was posted without commentary. In August 2018, Mac Sabbath teased a photo on their social media accounts showing Black Sabbath singer Ozzy Osbourne posing with the band in an undisclosed location. The depicted encounter was later covered in an