Mazzuchelli, who works as a teacher, had some troubles at his town so he decided to moves to a new house in another town with his family. After arriving there he looked for a job and he found a good opportunity at a school. Mazzuchelli sees that students have tired of the daily study routine so he starts to make them a different thing by music which makes them very happy.
Thankfully, the Rise writers kept the finale pretty vague in terms of storylines. While it did end on a "what will happen next note," fans are able to finish the stories of the various characters for themselves.
