OPM is a Southern California based ska punk band. OPM has a distinctive sound, combining hip hop, rock music, and pop with laid-back reggae. Their debut single "Heaven Is a Halfpipe" charted world wide. Both their debut single and album Menace to Sobriety were released on Atlantic Records in September 2000. In 2002 they signed to Suburban Noize Records who released 3 full lengths and two EP's.