Andie Hardin, 16, a teen ambassador for the Tourette Association of America, tunes up her violin in orchestra class at Allderdice High School on Feb. 27, 2019, in her neighborhood of Squirrel Hill.

A story on Foxnews.com shed some new light on the so-called "Mozart Effect," a belief that playing classical music while pregnant will make your unborn baby smarter. No scientific evidence supports ...