(Sing in the Barbershop Quartet). These great collections let men sing four-part a cappella harmony with a professionally recorded barbershop quartet. The books include TTBB parts and the CDs feature full performances. Just turn on the CD, open the book, pick your part, and sing along! Songs in this Christmas edition include: Do You Hear What I Hear * (There's No Place Like) Home for the Holidays * I'll Be Home for Christmas * It's Beginning to Look like Christmas * Let It Snow! Let It Snow! Let It Snow! * Little Saint Nick * We Need a Little Christmas * White Christmas.