Kiri is a curious girl who stumbles upon a hidden realm where sound creates everything. In this world, soundwaves have the power to shape mountains, rivers, and even animals. Alongside her new friend, Sonic the soundwave spirit, and Echoa, a mysterious guide, Kiri learns that music and frequencies are not just magical, but essential to maintaining harmony. Kiri must learn to harness the power of sound to save the world from chaos. A journey of adventure, friendship, and discovery, "The Lost World of Soundwaves" introduces children to the wonders of sound and acoustics.