The music world mourns the loss of Ozzy Osbourne, the legendary frontman of Black Sabbath, who has died at the age of 76. Music stars, fans, and former bandmates are paying tribute to Osbourne, who was an iconic figure in heavy metal. His bandmates, including Tony Iommi and Geezer Butler, are reflecting on their memorable final concert together in Birmingham. Osbourne's influence reaches far beyond Black Sabbath, touching countless musicians and bands, including Metallica, who described him as a hero, icon, and mentor. Despite his controversial stage persona, Osbourne was beloved by those who knew him and inspired many in the music industry.