Marc Grabowski started playing bass in 1981. Studied music at The University of Colorado. Formed the Denver based thrash metal band Corruption in 1986. The Colorado band released several demos and Albums; the EP “Crushed” in 1997 & “Alone” in 2004. Corruption disbanded in 2006.
Marc joined the thrash metal band Demonica in 2009, with guitarists Craig Locicero (Forbidden/Spiral Arms) & Hank Shermann (Mercyful Fate), drummer Mark Hernandez (Testament/Forbidden) and singer Klaus Hyr.
“In 2012 Marc was asked to join up with grindcore metal legends Cephalic Carnage as their touring bassist for their summer European festival tour. After returning to the United States, Marc began working with American progressive black metal band Martriden to begin writing and recording bass for their new album “Cold and The Silence”, which was released in November of 2015.”
Marc and Hank joined forces to start the band called “Shermann Tank” in 2013 and released one video called “The Bloodbath“. No further plans at this point!
Grabowski teamed up with “Denner / Shermann” in 2014 for the recording of the debut EP “Satan’s Tomb” released in October 2015. Currently studio works for the full length Denner / Shermann Album to be released Summer 2016!!
Return to Insanity
The Brutal Truth
Denner / Shermann
Satan’s Tomb (EP)