Hanns Jelinek's *Zwölftonwerk op. 15* is a comprehensive survey of twelve-tone composition across chamber and solo forms, recorded for Amadeo in 1969 when the Austrian composer was consolidating his mastery of serialism. Rather than treating the twelve-tone method as an austere doctrine, Jelinek deploys it with surprising lyricism—the piano works shimmer with pointillist textures, while the chamber pieces (a trio for strings, a divertimento for winds) reveal how the technique could accommodate warmth and conversational interplay between instruments. This album captures a middle-European modernism that never abandoned melody or wit, presenting Schoenberg's legacy through an Austrian sensibility that values clarity and craft. It's essential listening for anyone curious about how twelve-tone composition lived and breathed beyond its theoretical foundations, and how composers of Jelinek's generation repurposed the method as a tool for expression rather than mere system.