“It’s always life-or-death,” he said of his health issues at the time
The two metal icons and ex-Black Sabbath singers were engaged in an intense rivalry in the early '80s
The ‘Back To The Beginning’ concert took place in Birmingham over the summer
'Coming Home' charts the final years of the singer's life as he prepared to perform at the Black Sabbath farewell show
The "intimate film" about the icon's final years airs tomorrow (October 2)
“He gave me the confidence, and taught me so much about how to mix rock music and take it all the way to the end”
"It’s the first ever time in my entire life that I’ve been able to do a duet with Ozzy," said frontman Rob Halford
The project will share “moving and inspirational” insight into the final chapter of the heavy metal pioneer’s life, and hits screens next month
“When I’ve done embarrassing things, people have called me out, and I appreciate that”
It's set to premiere in early October