There are two artists and bands with the name Neo Geo (a rock band and an electronic music composer):
These are photos from concerts where Neo Geo played, so they may be of other bands that played the concert as well.
Vans Warped Tour 2011 Aug 10, 2011 Los Angeles, California, United States Uploaded by Felix Joel Garcia
Vans Warped Tour 2011 Aug 5, 2011 Denver, Colorado, United States Uploaded by Jeepgurlio