Triwizard Tournament: Band Editon

What if the second Wizarding War ended in the Golden Trio's sixth year? Will the Golden Trio finally a quiet year of solace at Hogwarts? Not if the United Wizarding Education Foundation (UWEF) has anything to do with it. In order to bring a time of peace the wizarding world they create the Triwizard Tournament: Band Edition. AU: Friendship, Romance, Drama. M for later chapters!