We knew they were special. We knew the performance was special. And when Main Street's modern pop medley "These Will Be The Good Old Days Twenty Years From Now" hit YouTube, the rest of the world learned it, too.
This performance earned them a third-place bronze medal for the second time, and fifth medal overall. The veteran performers have travelled the world, although they're partial to the amusements of Orlando, Florida, their home base, where they have all worked as entertainers .
Follow them on Facebook, on Twitter, and visit their web page to learn more about this beloved quartet.
BONUS: What's the most famous barbershop song in the world? We'd wager "Lida Rose" from The Music Man. Here's Main Street singing with the help of The Treblemeakers of Chandler High School.