A sketch draft of Beethoven's Emperor Concerto achieved £377,500 ($461,992) at Christie's yesterday.
It was the star lot of the Library of an English Bibliophile Part IV sale, beating its estimate of £250,000 ($306,053) by 51%.
The piece was Beethoven's final piano concerto and was first performed in 1812.
It's officially titled the Fifth Piano Concerto in E Flat Major, Op. 73.
One of Napoleon I's officers is said to have given the work its nickname after being blown away by its sheer grandiosity.
We've got a handwritten manuscript from another musical genius for sale.
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