Books Stacy Horn Books by Stacy Horn Stacy Horn has written books about: Nonfiction History & Society Arts & Entertainment Biography & Memoir Facebook Twitter Google+ Email NPR stories about Stacy Horn 'Imperfect Harmony': How Singing With Others Changes Your Life June 3, 2013 When Stacy Horn was 26 years old, she was divorced and miserable. She decided to join the Choral Society of Grace Church in New York. In her book Imperfect Harmony, she chronicles her 30 years with the group. Psychologist Daniel Levitin explains the brain science of group singing. 'Imperfect Harmony': How Singing With Others Changes Your Life Listen· 30:19 30:19 Download Embed Embed <iframe src="https://www.npr.org/player/embed/188355968/188355961" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player"> Transcript Summer Reading: Nonfiction Excerpt: 'The Restless Sleep' June 7, 2005 Read an excerpt of The Restless Sleep by Stacy Horn, recommended on All Things Considered by book critic Alan Cheuse.