When Mozart wrote his 20th Piano Concerto, he directed the orchestra and played the piano himself. Sadly, he can’t be here today – but in his place, we’ve got a modern-day genius: the multitalented Lera Auerbach. She’ll play this great concerto (if you’ve seen Amadeus, you’ll already know it), conduct sparkling masterpieces by Mozart’s friend and mentor Haydn, and bang the drum for Mozart in her own composition Eterniday: a very personal homage to one of the world’s greatest ever composers.