Karl Groom

He has since produced and released twelve studio albums and is currently signed to Nuclear Blast.

In addition, a live DVD entitled Critical Energy was released in 2004 whilst on the Inside Out Music label.

The recording facility was originally located in Berkshire, but moved to Surrey in 1995.

He is mostly known for metal styles of production such as Threshold and DragonForce, but has also worked on progressive acts including Yes, Pendragon, Galahad, Ulysses, and John Wetton.

The Strangers on a Train albums were rereleased in 2012 on the Polish Metal Mind Label.