Editing Ronnie James Dio (section)

===Other projects===
In 1974, Dio sang on the [[Roger Glover]] conducted and produced concept album ''[[The Butterfly Ball and the Grasshopper's Feast]]''. Along with other guest-singers, the album featured [[Deep Purple]] alumni [[Glenn Hughes (English singer)|Glenn Hughes]] and [[David Coverdale]]. Dio provided vocals for the songs "Homeward", "Sitting in a Dream" and the UK single ''[[Love Is All (Roger Glover song)|Love Is All]]''.<ref>{{Cite web|url=http://nightflight.com/the-butterfly-ball-and-the-grasshoppers-feast-remembering-ronnie-james-dios-psychedelic-childrens-song-love-is-all/|title="The Butterfly Ball and the Grasshopper's Feast": Remembering Dio's psychedelic children's song "Love is All"|language=en-US|access-date=April 4, 2019|archive-date=September 2, 2019|archive-url=https://web.archive.org/web/20190902072447/http://nightflight.com/the-butterfly-ball-and-the-grasshoppers-feast-remembering-ronnie-james-dios-psychedelic-childrens-song-love-is-all/|url-status=dead}}</ref><ref>{{Cite web|url=https://www.lambiek.net/artists/w/whitaker_harold.htm|title=Harold Whitaker|website=lambiek.net|language=en|access-date=June 12, 2019}}</ref>

In 1980, Dio made vocal contributions to Kerry Livgren's Christian themed progressive rock album [[Seeds of Change (album)|Seeds of Change]], where he sang on the tracks "Live For the King" and "The Mask of the Great Deceiver."

In 1985, Dio contributed to the metal world's answer to [[Band Aid (band)|Band Aid]] and [[USA for Africa]] with the [[Hear 'n Aid]] project. With a heavy metal all-star ensemble—the brainchild of his fellow Dio bandmates Campbell and Bain—he sang some of the vocals on the single "Stars" and an album full of songs from other artists given to charity. The project raised $1&nbsp;million within a year.

In 1997, Dio made a cameo on [[Pat Boone]]'s ''[[In a Metal Mood: No More Mr. Nice Guy]]'', an album of famous heavy metal songs played in [[big band]] style. Dio can be heard singing backup on Boone's take of "[[Holy Diver (song)|Holy Diver]]".

In 1999, he was parodied in the TV show ''[[South Park]]'', in the episode "[[Hooked on Monkey Fonics]]", which he later described as "wonderful."<ref>{{cite web|url=https://www.youtube.com/watch?v=75TCYuq0-Lw  |archive-url=https://ghostarchive.org/varchive/youtube/20211211/75TCYuq0-Lw| archive-date=December 11, 2021 |url-status=live|title=Ronnie James Dio on Reality Check TV (2002) |publisher=YouTube |date=June 25, 2009 |access-date=May 18, 2014}}{{cbignore}}</ref>

[[Tenacious D]] included a tribute song entitled "Dio" that appeared on their [[Tenacious D (album)|self-titled album]]. The song explains how he has to "pass the torch" for a new generation. Reportedly, Dio approved of it and had Tenacious D appear in his video "Push" from ''[[Killing the Dragon]]'' in 2002. He also appeared in the film ''[[Tenacious D in The Pick of Destiny]]'', playing himself and providing guest vocals in the movie's opening musical number "Kickapoo."<ref>{{cite magazine |title=Jack Black Remembers Ronnie James Dio: 'He Kicked Major Ass' |url=https://www.rollingstone.com/music/music-news/jack-black-remembers-ronnie-james-dio-he-kicked-major-ass-62715/ |magazine=Rolling Stone|date=May 15, 2015 }}</ref>

In 2005, Dio was revealed to be the voice behind Dr. X in ''[[Operation: Mindcrime II]]'', the sequel to [[Queensrÿche]]'s seminal concept album ''[[Operation: Mindcrime]]''.<ref>{{cite web |title=Ronnie James Dio To Play 'Dr. X' On Queensrÿche's 'Operation: Mindcrime II' |url=https://www.blabbermouth.net/news/ronnie-james-dio-to-play-dr-x-on-queensr-che-s-operation-mindcrime-ii/ |website=Blabbermouth|date=December 16, 2005 }}</ref> His part was shown in a prerecorded video on the subsequent tour and Dio appeared onstage to sing the part live on at least one occasion (both shown on the ''Mindcrime at the Moore'' DVD).

Though he was unable to finish writing it, Dio's autobiography, titled ''Rainbow in the Dark: The Autobiography'', was completed by Wendy Dio and Mick Wall and published posthumously on July 27, 2021.<ref>{{cite web|last=Hatfield|first=Amanda|url=https://www.brooklynvegan.com/dio-autobiography-rainbow-in-the-dark-out-now-order-it/|title=Dio autobiography 'Rainbow in the Dark' out now (order it)|website=Brooklyn Vegan|date=July 27, 2021|access-date=June 3, 2022}}</ref>

A documentary about Dio's life titled ''DIO: Dreamers Never Die'' premiered at [[SXSW]] on March 21, 2022.<ref>{{cite web|last=Zapata|first=Mark|url=https://metalinsider.net/news/official-ronnie-james-dio-documentary-dio-dreamers-never-die-premiered-at-sxsw-film-festival|title=Official Ronnie James Dio documentary 'Dio: Dreamers Never Die,' premiered at SXSW Film Festival|website=Metal Insider|date=March 21, 2022|access-date=June 3, 2022}}</ref><ref>{{cite news |last1=Herbert |first1=Geoff |title='Dio' rockumentary film salutes a Central New York music legend |url=https://www.syracuse.com/entertainment/2022/09/ronnie-james-dio-rockumentary-film-salutes-a-central-new-york-music-legend.html |access-date=September 21, 2022 |work=[[syracuse.com]] |date=September 21, 2022 |language=en}}</ref> The film received a limited theatrical release on September 28, and premiered on television on [[Showtime (TV network)|Showtime]] December 1, 2022.<ref>{{cite web|date=November 17, 2022|title=RONNIE JAMES DIO Documentary 'Dreamers Never Die' To Receive Television Premiere Next Month|url=https://blabbermouth.net/news/ronnie-james-dio-documentary-dreamers-never-die-to-have-its-television-premiere-next-month|access-date=December 4, 2022|website=Blabbermouth}}</ref>