In 1993, the German composer Hans Zender created what he called a “composed interpretation” of Schubert’s famous song cycle Winterreise. On Saturday (March 9), the Saffron Hall audience rose to their feet as one to applaud a performance of this still controversial work, given by the Aurora Orchestra and tenor Allan Clayton ahead of their appearance at London’s Southbank Centre later in the month. Winterreise (Winter Journey) is considered by many to be the pinnacle of the great German Lieder legacy – deeply moving in its imagery and sound world, written when Schubert knew his end was near. Its…