What one-act ballet's music was written by an Austrian composer and conductor?
Different Drummer:  The music is by Anton Webern (Passacaglia for Orchestra, Op. 1) and Arnold Schoenberg ("Verklärte Nacht"). Anton Webern: Anton Friedrich Wilhelm (von) Webern (] ; 3 December 188315 September 1945) was an Austrian composer and conductor.
i don't know