Pfitzner's works combine Romantic and Late Romantic elements with extended thematic development, atmospheric music drama, and the intimacy of chamber music. Columbia University musicologist Walter Frisch has described Pfitzner as a "regressive modernist." His is a highly personal offshoot of the Classical/Romantic tradition as well as the conservative musical aesthetic and Pfitzner defended his style in his own writings. Particularly notable are Pfitzner's numerous and delicate lieder, influenced by Hugo Wolf, yet with their own rather melancholy charm. Several of them were recorded during the 1930s by the distinguished baritone Gerhard Hüsch, with the composer at the piano. His first symphony—the Symphony in C-sharp minor—underwent a strange genesis: it was not conceived in orchestral terms at all, but was a reworking of a string quartet. The works betray a late pious inspiration and although they take on a late Romantic qualities, they show others associated with the brooding unwieldiness of a modern idiom. For example, composer Arthur Honegger writes in 1955, after criticizing too much polyphony and overly long orchestral writing in a long essay devoted to "Palestrina",