OPM is a Southern California formed in 1999 based ska punk band. OPM has a distinctive sound, combining hip hop, rock music, and pop with laid-back reggae.
These are photos from concerts where OPM played, so they may be of other bands that played the concert as well.
Eve 6 / OPM / Good Charlotte Sep 6, 2000 Milwaukee, Wisconsin, United States Uploaded by Kurt Despin