Those rope lights work really well... we have them around our headboard.... you can run a wire from your sub-wofer to the lights and when the sub wofer goes off (some kind of electrical current) it makes the lights subtly (sp?) flash.... a little delay.... just like a storm...

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A blessed thing it is for any man or woman to have a friend, one human soul whom we can trust utterly, who knows the best and worst of us, and who loves us in spite of all our faults.