Sonority

Sonority is a music-based puzzle game. You are playing as Esther, a young girl who has made it her task to unveil the secrets of music. Equipped with her panpipes she arrives at the mysterious rockery, where she will have use her wits to pass test after test by creating melodies. Initially, these consist of simple tone sequences, though during the course of the game they become more and more complex until she writes the soundtrack to her own life.

Summary: IGDB