"[7] The band formed in the early 1990s[1] by singer Martin Sorrondeguy and guitarist José Casas, who remained the group's consistent members through changing rhythm sections.
[2] Los Crudos' lyrics were explicitly political,[5] addressing issues such as class, police brutality, homophobia, and California ballot propositions directed against immigrants.
[4] Los Crudos incorporated DIY ethics into every aspect of the band's existence, including promoting and booking shows, recording music, touring, and silk-screening T-shirts.
The group's final rhythm section included bassist Juan Jimenez and drummer Ebro Virumbrales (also a member of Charles Bronson[10] and MK-ULTRA).
[11] The band played an unannounced reunion show in June 2006 at Southkore (America's first and largest[2] Latino punk festival), in Chicago's Little Village.