I've got just the thing. Bose surround sound coffin system. Tuned for your sized eternal resting place and continuously plays your favorite music. You'll never tire of it.
This is pretty funny and probably true for most of us
"MY BIGGEST FEAR IS WHEN I DIE MY WIFE WILL SELL MY HI-FI SYSTEM...
...FOR WHAT I TOLD HER IT COST. " :-)