The Infinity Concerto

Fantasy by Greg Bear

Blurb

The Infinity Concerto is a 1984 fantasy novel written by Greg Bear. The plot centers around teenager Michael Perrin's search for what is a Song of Power and why some think he can create such a thing. Transported to another realm, he discovers beings known as "the "Sidhe" intervened in Coleridge's incomplete poem, "Kubla Khan". They have stopped others from creating Songs of Power and now they are looking at him.
The Infinity Concerto was followed in 1986 by The Serpent Mage.