Sharon and Jack Osbourne have revealed that medical professionals in England strongly advised Ozzy Osbourne against performing his farewell concert in Birmingham just 17 days before his death, warning the rock vocalist that the physical toll of the event could be fatal. Despite facing severe cardiovascular and respiratory complications, the 76-year-old Black Sabbath frontman insisted on taking the stage on July 5, 2025, for the "Back to the Beginning" concert at Villa Park before passing away on July 22, 2025. Speaking ahead of the October 28, 2026 theatrical release of a documentary chronicling the show, the Osbourne family shared that the singer's bandmates and children were kept in the dark about the full severity of his decline, even as the performance left him in high spirits during his final weeks.

Doctors Warned Final Performance Could Be Fatal

In the weeks leading up to the Birmingham farewell event, physicians evaluated Osbourne's fragile condition and urged him to cancel his appearance. According to Paste Magazine, citing an October 13 interview with Rolling Stone, Sharon Osbourne recounted that doctors explicitly warned the family that going through with the concert "would kill him." Simultaneously, The Sentinel reports a more specific timeframe, noting Sharon stated that Osbourne was told 10 days before the July 5 show that he might not physically make it through a live performance.

Jack Osbourne also detailed the medical warnings during an appearance on the "Great Company with Jamie Laing" podcast and in comments outside Universal Studios Hollywood's Halloween Horror Nights 2026. According to Fox News, Jack explained that his father had experienced a series of medical setbacks involving his heart and arteries prior to the concert. Physicians cautioned the family against the massive energy expenditure required for the show. "They were just like energetically, this is going to ... this is not good. This is not good. Like you don't have it in you," Jack recalled, noting that his father simply replied, "I'm doing it."

For the vocalist, who had officially retired from touring in 2023 due to Parkinson's disease and ongoing health challenges, canceling the hometown farewell was never a consideration. "We were all together and Ozzy said, 'It's not an option. It's what I want,'" Sharon stated, as reported by Consequence. "He said, 'I know I'm dying. If I miss a few months of my life, I want to go this way. This is what I want.' It was his wishes and we went through with it."

While the public accounts rely on the family's recollections rather than independent clinical documentation, Fox News notes that Osbourne's death certificate later listed cardiac arrest, acute myocardial infarction, coronary artery disease, and Parkinson's disease. Looking back on the decision, Jack emphasized that he holds no resentment over his father's choice to perform against medical advice, stating that everyone wants a say in how they go and that his father departed on his own terms.

Black Sabbath Bandmates Kept in the Dark

While Osbourne and his wife were fully aware of the life-threatening stakes surrounding the Villa Park concert, that information was tightly guarded backstage. During an October 20, 2026 screening and Q&A session in London for the concert film Ozzy & Black Sabbath: Back to the Beginning, Sharon told moderator Phil Alexander that she withheld the doctors' grave prognosis from Black Sabbath co-founders Tony Iommi, Geezer Butler, and Bill Ward.

According to Variety, Sharon admitted she was "petrified" on the day of the festival because she did not know if her husband could physically survive the set, especially with emphysema making his vocal capabilities unpredictable from moment to moment. "He was just praying that his lungs would work and that he could sing," she said, explaining that he could sound fine during a soundcheck and subsequently lose his ability to speak by showtime.

According to RTÉ and Louder, Sharon revealed that neither his bandmates nor their children were told the full extent of how ill he had become prior to showtime. While Jack Osbourne later spoke openly about the doctors' warnings regarding his father's heart and arteries, the available reports do not establish precisely when each family member learned the full clinical details of his terminal prognosis.

A Joyous Final Bow in Birmingham

Staged in Aston, Birmingham, a short distance from where Osbourne grew up, the 10-hour charity event drew 44,000 fans to Villa Park. Hosted by actor Jason Momoa, the concert featured tributes and performances from hard rock and heavy metal acts including Metallica, Guns N' Roses, Slayer, Tool, Pantera, Alice in Chains, Mastodon, Anthrax, Lamb of God, Gojira, Jack Black, and Steven Tyler. With Tony Iommi and keyboardist Adam Wakeman in attendance at the London screening, Sharon praised the rock community for rallying around her husband on three months' notice.

During the event, Osbourne watched the supporting acts from his dressing room, applauding his peers before preparing for his own sets. For the closing performance, the singer was lifted onto the stage seated on a black throne, singing solo material and reuniting with Butler, Iommi, and Ward for Black Sabbath's final bow.

Rather than depleting his remaining spirit, the concert revitalized him emotionally for the final 17 days of his life. "He was like, flying high again. He was so happy. Until the day he passed, he was still on that high," Sharon said at the London event. "He was so excited, so thankful to everyone. It was just joyous for us to see him that way, because we hadn't seen him that way in years. He was laughing, telling jokes again. It was brilliant."

When Does the Back to the Beginning Film Release?

Fans will soon be able to witness the historic farewell performance and behind-the-scenes interactions firsthand. The documentary feature, titled Ozzy & Black Sabbath: Back to the Beginning, is scheduled for a global theatrical release on October 28, 2026. The film captures both Osbourne's solo songs and his final reunion with Black Sabbath's original lineup, alongside backstage footage and guest performances from the July 2025 event.