Alexander Zemlinsky’s music was long unjustly overshadowed by what was regarded as the “more progressive” Second Viennese School. Although Zemlinsky was close friends with its protagonist Arnold Schönberg, he never did take the latter’s radical step into dodecaphony.

At the same time, he composed works that were no less original or fully fledged. Composed between 1913 and 1915, his Second String Quartet in particular pushed the contemporaneous understanding of form and tonality to its limits....