Black Sabbath fan site’s Damian Muziani recently released a report on the world premiere of the Ronnie James Dio documentary ‘Dio: Dreamers Never Die’ on YouTube. As seen in the video, Geezer Butler revealed during a Q&A session that he was pretty pleased with Ronnie James Dio joining Black Sabbath.

‘Dio: Dreamers Never Die’ is the first career-spanning documentary on Ronnie James Dio, which his estate fully authorizes. It includes never-before-seen footage of the artist, his photos, and rare footage of him spending time with his peers, family, and friends.

On March 17, the documentary ‘Dio: Dreamers Never Die’ had its world premiere at the SXSW Film Festival in Austin, Texas.’s Damian Muziani was also there to shoot some interview footage with Geezer Butler and Eddie Trunk and a few clips from the movie.

In the interview footage, Eddie Trunk asked Geezer Butler whether he welcomed Ronnie James Dio’s joining to Black Sabbath as he was the lyricist of all of the band’s material. Butler jokingly said he thanked God when Dio joined the band as a response.

During the Q&A session, the host Eddie Trunk told Geezer Butler the following:

“Geezer is the lyricist of all the Black Sabbath material with Ozzy. Ronnie comes into the band, and suddenly there’s a lyricist as well. Were you welcoming of that?”

As a response, Butler said:

“Oh, yeah. I was like, ‘Thank God for that!’

As seen in the video, Damian Muziani also had a chance to interview Geezer Butler himself. He then asked him about his thoughts on Dio. In response, Butler said he is glad he and Dio got over their problems and left them in the past. He then said he is happy he worked with Dio on the project Heaven & Hell as well.

Geezer Butler told Damian Muziani about Ronnie James Dio the following:

I was really glad that Ronnie and I had made up, and all the past was in the past. At the end of the film, I was so glad that we got together in Heaven & Hell and sorted everything out. It was great.”

You can watch the full video below.