Beethoven's Sonata No. 12 in A flat major marks a significant departure from traditional stylistics idioms. Published in Vienna in 1802, only the last movement, a Rondo allegro, takes a conventional form - a funeral march “for an unknown hero,” which was played at the composer's own funeral. This performance is taken from Daniel Barenboim's highly esteemed complete rendition of Beethoven's 32 p...