Conversation so far:
what happened in 2006?
Rhino Records released Black Sabbath: The Dio Years, a compilation of songs culled from the four Black Sabbath releases featuring Ronnie James Dio.
was it successful?
The Dio Years was released on 3 April 2007, reaching number 54 on the Billboard 200.
did it have any hit singles?
while the single "The Devil Cried" reached number 37 on the Mainstream Rock Tracks chart.
did they go on tour?
Pleased with the results, Iommi and Dio decided to reunite the 1981 Mob Rules era line-up for a world tour.
where did they tour?
Heaven & Hell toured the U.S.
with openers Megadeth and Machine Head.
Are there any other interesting aspects about this article?
While the line-up of Osbourne, Butler, Iommi and Ward were still officially called Black Sabbath, the new line-up opted to call themselves Heaven & Hell.

Question: why did they change their name?
Self-contained rewrite: why did Rhino Records change their name?