Negative Approach is an American hardcore punk band, formed in Detroit, Michigan in 1981. The band is considered among the pioneers of hardcore punk, particularly in the Midwest region.
T.S.O.L. (True Sounds of Liberty) is an American punk rock band formed in 1978 in Long Beach, California. Although most commonly associated with hardcore punk, T.S.O.L.'s music has varied on each release, including such styles as deathrock, art punk, horror punk, other varieties of punk music, and hard rock.