Though Black Sabbath called it a career this past March, the guitarist says there will be more releases from the band.
"We'll actually be doing a documentary," he said in an interview with NBC News. "My job at the moment is to have a listen to what we've done."
Iommi says he's been in good health recently, but the specter of cancer still hangs over him; he goes for regular checkups and tests and carefully considers how he spends his time.
"I'm certainly not retiring from playing and doing stuff," he said. "But I think since my illness I've had to look at things differently, think sensibly."
He adds that he's considering a solo album sometime in the future, with "bags" of guitar riffs ready to be worked into songs.
Recently, Iommi (in what may come as a surprise to many Sabbath fans) produced a choral composition called "How Good It Is," which was written for his hometown cathedral in Birmingham, England.
A former Catholic, Iommi says he subscribes to no particular religious path and simply produced and played acoustic guitar on the song because "It seemed like a nice thing to do. It was really nice to work with a choir and to do something for our city."
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