None other than András Schiff is collaborating with Henle Publishers for the edition of Mozart’s piano concertos. His piano reductions are aimed at amateurs rather than professionals; his fingerings for Mozart’s solo part have been exquisitely fine-tuned and are inspiring; and where Mozart’s original cadenzas are missing, Schiff’s stylistically perfected ones have been included.

In so doing we aspire to set a new precedent. First and foremost Mozart’s handwritten scores have been consulted, ...