Sorry to hear about your wife, Larry.
You know, I haven't wanted to admit it, but since the breakup of my relationship, I haven't listened to much music since, so I think you may be onto something with the depression angle. I've tried; I even forced myself to listen to an entire CD, trying to pretend I was enjoying it. Right now silence sounds better than even my favorite music. I'm hoping it's a temporary thing (though it would be much cheaper if it were permanent, wouldn't it?), but we'll see.