A Touch of Consonance

Megan is a musician and the princess of a fictional planet, Axilite. But she is also a warrior and defender, a day before the concert, a strange catastrophe called a "Musical Tension" descends all over the Axilite City caused by rain and stray particles that mix together. However, the only way to stop a tension is not the weather being sunny, but a musical performance battle in order to remove it.