Beethoven Bedtime. Careful there -- the maestro was known to have a dagger on his night table in case he needed to kill himself.
Martha Argerich is always wonderful. Whoever sells her at 12% off is an idiot. Also check out Rado Lupu.
I don't remember Klemperer. I know I should.
It really is a good CD. I heard a movement of it on Classical 103.5, the top-rated classical radio station in the country (based out of DC). It was their CD pick of the week back in April.