Wolfgang Rihm and Alfred Schnittke represent late 20th-century classical music at its most intellectually demanding. The Alban Berg Quartet, one of the era's finest ensemble interpreters, tackles this contemporary work with virtuosity and profound insight. Rihm and Schnittke shared a philosophical engagement with musical tradition, their compositions layering modern techniques atop classical forms. The string quartet shimmers with dissonance and modernist texture while maintaining genuine expressive power. This recording preserves a crucial interpretation of challenging contemporary music that demands serious listening—rewarding the attentive ear with the depth of late 20th-century classical innovation.