"What is this?" Kael asked, his voice barely above a whisper.

As the sound faded, Kael found himself back in the library, Echo's gentle smile before him.

Echo's expression turned somber. "That, Kael, is the sound of a forgotten melody. One that was lost to the sands of time. It is said that those who listen to it will be transported to a different era, one where memories long forgotten come flooding back."