Tony Iommi usually never had to worry about lacklustre riffs, but he felt that his old bandmates needed to come back strong in their later years.

These songs are highlights from the albums that featured the iconic original Black Sabbath lineup between 1970 and 1978.

Thousands of metal fans are due to descend on Birmingham on Saturday 5 July, as Black Sabbath hosts its Back To The Beginning ...

As he gears up for Black Sabbath's last hurrah, the Mastodon man looks back on his brief – but probably very helpful! – ...