Music to listen to when you’ve broken up with a precious friend
Beethoven’s Hammerklavier Sonata is thrilling and brain-twisting. Its nickname derives from the fact that it was published as a sonata ‘for the hammer-action keyboard’, which just means a piano. But the notion of hammering suits this work. It’s his longest sonata — a late one, No. 29 in B flat, Op. 106 — and a