If you play me hits from the Top 40 Songs of 1972, I will break into tears. 

I recently had the unique opportunity to clean out my parents' condo when they moved into a senior community. They were pack rats, and the surprises that turned up were impressive. For example, my high school diploma, which I had never seen, had been preserved in pristine condition for these 40 years since I graduated. But that was just the beginning. Soon I was holding a small envelope labeled "Baby Teeth". It went on and on...

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