Four packs a day will do that to you.
His Trio for Piano, Violin & Cello in E minor, Op. 67, is one of the great chamber works. After hearing it, you want to go home and slit your wrists. Written in 1944, it's about death -- not just the death that Hitler wreaked on Mother Russia, but the homegrown Stalinist variety, too. The last movement is a genuine dance with death. It's depressing, but brilliant.