Cro-Mags is a hardcore punk band formed in New York City in 1981. They are known for blending elements of punk rock and heavy metal, creating a unique sound that has influenced many bands in the genre. Their lyrics often explore themes of personal struggle, spirituality, and social issues. The band's debut album, The Age of Quarrel, released in 1986, is considered a classic in the hardcore scene. Over the years, Cro-Mags has undergone several lineup changes, with Harley Flanagan being a prominent member and driving force behind the band's music and message.