The Infinity Concerto is a 1984 fantasy novel written by Greg Bear

Greg Bear

Gregory Dale Bear is an American science fiction and mainstream author. His work has covered themes of galactic conflict , artificial universes , consciousness and cultural practices , and accelerated evolution...

, and prequel to Serpent Mage

Serpent Mage (Greg Bear)

Serpent Mage is a fantasy novel written by Greg Bear, sequel to The Infinity Concerto....

.

The plot centers around Michael Perrin's search for what is a Song of Power and why some think he can create such a thing. He discovers the Sidhe intervened in Coleridge's

Samuel Taylor Coleridge

Samuel Taylor Coleridge was an English poet, Romantic, literary critic and philosopher who, with his friend William Wordsworth, was a founder of the Romantic Movement in England and a member of the Lake Poets. He is probably best known for his poems The Rime of the Ancient Mariner and Kubla...

 incomplete poem, Kubla Khan

Kubla Khan

Kubla Khan is a poem by Samuel Taylor Coleridge, completed in 1797 and published in Christabel, Kubla Khan, and the Pains of Sleep in 1816...

. They have stopped others from creating Songs of Power and now they are looking at him.