The Echorium Sequence Series by Katherine Roberts

Welcome to a world from another time -- where legendary half-creatures still exist. A world where nature itself can be controlled by unearthly music. A world where the forces of good and evil are held in harmony by the Singers who have mastered the secret Songs of Power. A world on the brink of destruction, threatened by a dark lord whose evil knows no bounds. Rialle and Kherron, two novice Singers, are all that's left to stand in the enemy's way... moreWelcome to a world from another time -- where legendary half-creatures still exist. A world where nature itself can be controlled by unearthly music. A world where the forces of good and evil are held in harmony by the Singers who have mastered the secret Songs of Power. A world on the brink of destruction, threatened by a dark lord whose evil knows no bounds. Rialle and Kherron, two novice Singers, are all that's left to stand in the enemy's way. Stranded in a strange land with only one another to rely on, these former rivals must work together if they are to survive. In a timeless coming-of-age journey, Rialle and Kherron discover the strength of spirit that lies within them in their quest to help good triumph over evil. less

Welcome to a world from another time. It is a world where the wind, the waves, and the land itself can be controlled by an unearthly music. A world where the forces of good and evil are held in harmony by the secret Songs of Power. A world on the brink of destruction, threatened by a dark lord whose evil knows no bounds. Two young heroes must rise to confront an evil power... moreWelcome to a world from another time. It is a world where the wind, the waves, and the land itself can be controlled by an unearthly music. A world where the forces of good and evil are held in harmony by the secret Songs of Power. A world on the brink of destruction, threatened by a dark lord whose evil knows no bounds. Two young heroes must rise to confront an evil power. Shaiala, a girl who has been raised by the centaurs, and Renn, a gifted but insecure Singer, must join together to face the forces of darkness. Only by trusting each other can they triumph. less

Enter a thrilling world in which Half Creatures live alongside humans - a world where Singers use ancient Songs of Power to keep the peace.But the evil one wants revenge ...No one worries too much when the Crazy Singer disappears, but when a young novice with an exceptional voice is kidnapped by pirates and another is nearly drowned, the Singers fear the enemy is back... moreEnter a thrilling world in which Half Creatures live alongside humans - a world where Singers use ancient Songs of Power to keep the peace.But the evil one wants revenge ...No one worries too much when the Crazy Singer disappears, but when a young novice with an exceptional voice is kidnapped by pirates and another is nearly drowned, the Singers fear the enemy is back.In a desperate race against time they must follow the dark quetzal, a heroic Half Creature, if they are to save the life of Kyarra, a brave and spirited girl who must face the dark force alone to finally destroy the power of the black crystal.In the battle between darkness and light, Song power and courage are their only weapons. less