That superb poet Peter Porter who was also in love with music used to say there was no denying the supremacy of Bach and Beethoven and Mozart but for sheer range who could beat Schubert. The lieder, every note of which was recorded by Dietrich Fischer-Dieskau with a meticulous care for the power of the words which the composer was animating, can summon up vast panoramas of experience that might sustain a great opera.