G. Henle Verlag Piano Sonata No. 12 in A-flat Major, Op. 26 (Funeral March) Henle Music Softcover by Beethoven

Norbert Gertsch, editor-in-chief at Henle Publishers, undertook a thorough revision of this edition, together with the renowned pianist Murray Perahia. In addition, the latter also provided fingerings and shares some of his personal thoughts on this work.