What is the fine-grained topic of the following text: Interviews with Crass, Chumbawamba, Zounds, Omega Tribe, Subhumans, Blyth Power, Lost Cherrees, Antisect, Cravats, Icons of Filth, Rubella Ballet and Flux of Pink Indians reveal all we need to know about the defining LP’s of the era. Only return the topic.
Interviews about defining LP's of punk bands.