People say Danny's voice is heaven on Earth. But now he's in a strange land, and his voice will have to save a world.Danny thinks he has it hard enough on Earth: his mother disappeared when he was six, a gang of bullies torments him, and his alcoholic father is threatening to take him out of his beloved cathedral choir school. Then he finds himself in Falenda, where the people communicate telepathically and life is one continual, glorious song. But the harmonious life of the Falendans is threatened by an evil being who is enslaving the Citizens within a great crystal Dome.Danny has never seen himself as a hero. But now, along with Meli, a Falendan girl his own age, he must save Falenda from destruction-and rescue his mother in the process-by climbing the dread Tower of Grozlukh and singing down the Dome.