There are two bands that have used the name Chelsea Grin:
These are videos from concerts where Chelsea Grin played, so they may be of other bands that played the concert as well.
Vans Warped Tour 2012 Jun 27, 2012 Chula Vista, California, United States Added by Rorb
The All Stars Tour 2011 Aug 24, 2011 Sacramento, California, United States Added by William Rhl
All Stars Tour 2011 Aug 5, 2011 Poughkeepsie, New York, United States Added by Meghan Mayhem
The Acacia Strain / Chelsea Grin / I Declare War / Veil of Maya / Whitechapel Feb 17, 2011 Clifton Park, New York, United States Added by Meghan Mayhem