(Image credit: BMG/Island/Atlantic) Everyone I know with teenage children has noticed the same thing. These kids, who've never known a world without Spotify or YouTube , are asking for record players for Christmas ( here are some options if you are, too ). They're haunting independent record stores on Saturday mornings. They're spending $30, $40, sometimes $50, on a single album they could legally stream for the price of a cup of coffee a month. Or, if they're willing to put up with ads, for absolutely free. This is not nostalgia. You cannot feel nostalgic for something you've never experienced. Something else is happening, and it matters for anyone who makes things for a living. The numbers are striking According to research by the Vinyl Alliance , 76% of Gen Z vinyl fans buy records at least once a month. Nearly half say vinyl is expensive but worth it because it is something they will "cherish forever". These are not casual collectors.…