What makes Rude Bootleg by Cardiacs notable?

'Rude Bootleg' is significant for its experimental approach that helped shape the underground music landscape in Britain, influencing bands in the avant-garde and progressive rock genres. Although it didn't achieve mainstream success, it garnered critical acclaim and laid the groundwork for Cardiacs’ cult following and their subsequent albums. Released in 1986, 'Rude Bootleg' was Cardiacs' second studio album, following their debut 'A Little Man and a House and the Whole World Window.' At this point in their career, the band was solidifying their unique sound, characterized by a mix of art rock and avant-garde influences, which would later distinguish them within the post-punk scene.