The closing 4 pages are so cataclysmic and catastrophic as anything I've ever done — the harmony bites like nitric acid — the counterpoint grinds like the mills of God... [more inside]
What's the most difficult piano piece? Opinions vary. Is it La Campanella, written by Liszt to show off what only he could do? (performance, score) Is it Balakirev's Islamey, which even Balakirev struggled to play? (performance, score) Or Ravel's Gaspard de la Nuit, written to top Islamey? (performance, score) Does Godowsky double his points by reconfiguring the already-difficult Chopin for the left hand? (performance) And if someone plays all four hours of Sorabji's Opus Clavicembalisticum, written across four staves to fit the extra notes, will anyone listen? (perfomance excerpts, score excerpts)
Don't forget to save your receipts! Mark Thomas (creator of the Payphone Project, previously discussed on Metafilter here) has been saving his for years.