Strange sweet song

the long version

"Outside Dunhammond Conservatory, there lies a dark forest. And in the forest, they say, lives a great beast called the Felix. But Sing da Navelli never put much faith in the rumors and myths surrounding the school; music flows in her blood, and she is there to sing for real. This prestigious academy will finally give her the chance to prove her worth--not as the daughter of the world-renowned da Navellis--but as an artist and leading lady in her own right. Yet despite her best efforts, there seems to be something missing from her voice"--