"Gustav Mahler conducted Beethoven’s Ninth Symphony on ten occasions: in Prague, Hamburg, Vienna, Strassburg and New York. For the last seven of these performances he prepared and used his own score and orchestral parts. I have transcribed and edited these materials and they have been used in many performances in recent times.

My edition is based on the Viennese score and parts, whereby occasional discrepancies between them had to be resolved. These are fully discussed in the Critical Report....