Children and teens in Stephenville say the accordion is cool after learning how to play the older instrument at their school.

Cory Pesaturo isn’t just a world accordion champion—he’s a genre-hopping musical force. From smooth jazz to wild techno, he takes the electric accordion to places you never imagined.

The young bucks who play tejano on South 24th Street play new, cheap accordions. And how many young boys and girls write “accordion” on his or her Christmas list in 2013? But Stan does have ...