The Music in me

Merida and Hiccup are the only musicians in school, that then made them rivals and they hated each other, but when Merida's family's coffee shop is gonna close down she need to win a Music competition called All Star with a prize of 7,000 dollars, she needs to win so she ask Hiccup to help her, and to Merida's surprise he says yes. After a wile they start noticing each other more and start to have feelings, Will it get in the way of the competition?
Jelsa: Elsa is the most shy girl in school and has exactly two friends, so when she is assigned to tutor Jack Frost (the most popular guy in school) her whole world turns upside down when he ask her out now she is getting invites to parties concerts she even has more friends. Will popularity go to her head?
Will these relationships work or will it go up in flames?