Grip Inc. was a groove/thrash metal band, and a side project of drummer Dave Lombardo (Slayer, Fantômas), German producer Waldemar Sorychta and British singer Gus Chambers.
These are videos from concerts where Grip Inc. played, so they may be of other bands that played the concert as well.
Dynamo Open Air 1999 May 21 - 23, 1999 Mierlo, The Netherlands Added by Bruhvvmetal