Glenn Gould plays Piano sonatas by Ludwig van Beethoven. These are so pathetic, beautiful and sublime, especially in slooow "Appassionata". My indispensable music when I read Raymond Chandler's novel.
Sonata No. 8 in C minor Op. 13 "Path tique"
Sonata No. 14 in C-sharp minor, Op. 27, No. 2 "Moonlight"
Sonata No. 23 in F minor, Op. 57, "Appassionata"