> I’ve also discovered it’s endlessly entertaining to take 33 RPM records and play them at 45 RPM, causing everyone to sound like chipmunks.

I discovered this playing with old records in the basement well before you were born and I'm pretty sure I drove my mother insane with it.

Also, the person on your substack who suggested Cat Stevens is very correct.

If you are curious to catalog them, or see value of them, discogs.com is a great site.