A documentary about Ronnie James Dio is reportedly in production, which would mark the first feature-length examination of the late hard-rock singer. Dio performed with such bands as Black SabbathRainbowElf, and his namesake solo project throughout his long career. He died of stomach cancer in 2010 at the age of 67.

The film, executive produced by BMG and Wendy Dio, is officially sanctioned by Dio’s family, who have allowed the documentarians unfettered access to archival footage and other never-before-seen material. According to a statement, the documentary will be “set against the backdrop of Dio’s unfinished autobiography — half-finished by Ronnie before his untimely death from stomach cancer in 2010 — the film will chronicle the inspiring journey of his life, love, and storied career.”

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“I am very excited to be working with BMG on Ronnie’s long-awaited documentary,” Dio’s widow and manager Wendy said. “Ronnie loved his fans and I hope they will enjoy this trip through Ronnie’s life.”

There is currently no arrival date or working title for the forthcoming documentary yet, but in the meantime, BMG is preparing for the archival release of Dio’s studio work from 1996-2004 on March 20th. This collection will include his last four albums– Angry MachinesMagica, Killing the Dragon, and Master of the Moon. Most of these albums have never been released on CD, and haven’t been released on vinyl in North America.

In addition to the studio works, the collection will also feature rare live recordings and other unreleased material. For more information, head to Dio’s website.

[H/T Rolling Stone]