The Girl Who Can Hear the World's Echoes

In this world, magic isn't invented. It's "remembered." A young woman becomes a bard. In a world where magic is quietly going extinct with every song, she can hear the "echoes" left behind by all things: every spell is the world's reenactment of something that happened, and each time it's sung, it wears away a little more, until it disappears completely. Her job is to write the final notes for songs that are about to fall silent. But the song of her own life has been playing since she opened her eyes, and she has never been able to hear it.