Few songs evoke fear quite like "Black Sabbath," the first track from the band's debut album released in 1970. This song – along with the album it debuted – is frequently recognized as a ...

But were Black Sabbath really the first band to marry rock and the occult? Not according to Mikael Åkerfeldt, frontman wiuth Swedish prog metallers Opeth and noted connoisseur of obscure music.

With the exception of instrumental tracks, there are a total of 20 songs from Sabbath’s albums with Osbourne that never made the cut live, according to Setlist.fm. Therefore, there may have been ...