Ronnie James Dio

Verified Timeline

Lore & Background

Dio joined Black Sabbath following creative differences in Rainbow, seeking a new project while Iommi needed a vocalist. Their instant connection led to the creation of *Heaven & Hell*, which debuted in 1980 as their first album together. The follow-up, *Mob Rules* (1981), featured drummer Vinny Appice but was marred by personality conflicts. Tensions peaked during the mixing of *Live Evil*, where Iommi claimed Dio returned at night to remix vocals for prominence—a claim Dio denied. These disputes caused Dio and Appice to leave in 1982. However, Dio returned in 1991 to record *Dehumanizer*. The album reached No. 44 on the US Billboard 200 and featured "Time Machine," which was written for *Wayne's World* and used in the final cut during the end credits. Close to the end of 1992, Dio and Appice left again, citing an inability to work with Iommi and Butler.

In Their Own Story

In 1979, fate intervened at the Rainbow club on Sunset Strip in Los Angeles. Guitarist Tony Iommi and vocalist Ronnie James Dio crossed paths, both seeking new directions after departures from their respective bands. They immediately connected, jamming together until they composed "Children of the Sea." This song became the cornerstone of *Heaven & Hell*, released in 1980, marking a triumphant return for Sabbath. The energy continued with *Mob Rules* (1981), introducing drummer Vinny Appice. Yet, friction grew during the recording of *Live Evil*. Iommi alleged that Dio would sneak into the studio at night to boost his vocals in the mix, though Dio denied this accusation. The dispute escalated until 1982, forcing Dio and Appice out. Years later, in 1991, they reunited for *Dehumanizer*, which hit Top 40 status in the UK and featured a single in *Wayne's World*. Despite success, tensions resurfaced by late 1992, ending their second stint together.

Reader's Guide

Black Sabbath's Dio era is defined by three key studio albums: *Heaven & Hell* (1980), *Mob Rules* (1981), and *Dehumanizer* (1992). Fans seeking the definitive experience should start with *Heaven & Hell*, which established the new sound with tracks like "Children of the Sea." The *Live Evil* controversy highlights the band's internal struggles, making it a fascinating study in creative conflict. For those interested in Dio's later Sabbath work, *Dehumanizer* offers the hit "Time Machine," featured in *Wayne's World*. It is essential to note that while Dio and Appice left after 1982 due to mixing disputes, they returned for *Dehumanizer* before parting ways again at the end of 1992. This era showcases Dio's versatility, blending hard rock with lighter ballads and medieval-themed storytelling.

Did You Know?

• Dio replaced Ozzy Osbourne as Black Sabbath's lead singer in 1979 after being introduced through a mutual acquaintance or contacted directly by Iommi, not a chance meeting at the Rainbow club.
• The duo wrote the song "Children of the Sea" on their very first jam session day together, which appeared on *Heaven & Hell* (1980).
• Dio and Appice left Black Sabbath in 1982 following a dispute over the mixing of the *Live Evil* album, where Iommi accused Dio of boosting his vocals at night.
• The single "Time Machine" from the 1992 album *Dehumanizer* was written for *Wayne's World* and appears in the final cut of the film during the end credits.
• Dio returned to Black Sabbath in 1991 but left again close to the end of 1992, citing an inability to work with Iommi and Butler.