Shellac (sometimes referred to as 'Shellac of North America') is an American rock music group formed in Chicago, Illinois, in 1992 by Steve Albini (guitar and vocals), Bob Weston (bass guitar vocals) and Todd Trainer (drums). They have been classified as post-hardcore, noise rock and math rock. Albini has claimed they refer to themselves as 'Shellac of North America', "when we're being pretentious." They have a distinctive, minimalist sound based on unusual and urgent time signatures