Rock in Harmony, Paperback by Hal Leonard Publishing Corporation (COR), ISBN 1423461800, ISBN-13 9781423461807, Like New Used, Free shipping in the US

(Sing in the Barbershop Quartet). These great collections let men sing four-part a cappella harmony with a professionally recorded barbershop quartet. Ths include TTBB parts and the online audio tracks feature full performances. Just use the unique code inside th to stream or the online audio, open th, pick your part, and sing along! Volume 2 songs include: The Banana Boat Song * Goodnight, Sweetheart, Goodnight (Goodnight, It's Time to Go) * Happy Together * Hello Mary Lou * In My Room * The Longest Time * Silhouettes * Under the Boardwalk.