From No. 19 all the way to No. 1, see how we ranked every album by Black Sabbath. Known the world over as the founders of heavy metal, the band's reach and influence is immeasurable. Their legacy ...

The seventh and (at the time of writing) final album for the band, Dig Out Your Soul once again shot to the number one spot on the UK album chart. It has since has gone 2x Platinum in the UK.

In the realm of progressive rock, the greatness is a vast as the creativity and complexity that goes into the music. Here is our list of the 25 most notable progressive rock albums ever recorded.