From the brief: “Rescued from the earth-covered runs of the ancient City at six years old, Tye Ilan entered society deeply and permanently handicapped -- he lacked language. But something in the City had infected him, and now a new generation as well, and as the world grappled with those new beings, able to wield music to move the world around them, Tye found himself buffeted into the center of the struggle for what comes next, after humans.”
I was doing some archiving on my computer and came across this sketch I did for the paperback edition of Committed. It almost made it to the finish line but they went in another direction in the end. The cover references this quote from the book "A fish and a bird may indeed fall in love, but where shall they live?" Below are the original source images.