Thanks for the links. I have one more:

The artist's page is Inferiart

The Pendulum they used for the front cover is available at Daz3D. I used it in my image "Time Chop". The first moment I saw it, it reminded me of Edgar Allen Poe's story  "The Pit and the Pendulum". The Band's songwriter said, this story inspired him when writing the first song on the album.