(…) Close study of the score has revealed the remarkable sophistication and originality of the architecture of the "Altenberglieder". The careful organization of motives relating Songs I and V is perhaps the most impressive aspect of this architecture; the relationship of the twelve-note passacaglia theme in Song V and the viola melody beginning at m. 12 of Song I is an adumbration of Schoenberg's serial technique of a decade later, while the harmonic relationship of two five-note chords at mm. ...