Imperfect harmony

"As Horn relates her funny and profound experiences as a choir member [of the Choral Society of Grace Church in New York], she treats us to an eclectic history of group singing and the music that moves us--whether we're hearing it for the first time or the hundredth--, the dramatic stories of conductors and composers, and discoveries from the new science of singing, including the remarkable physical benefits of song"--Amazon.com.