(Piano/Vocal/Guitar Artist Songbook). This 2016 holiday release by a cappella pop sensation Pentatonix reached #1 on the Billboard 200 album charts and includes two new original songs, "Good to Be Bad" and "The Christmas Sing-Along." Our collection includes both of these songs plus 9 more in arrangements for piano, voice and guitar: Coldest Winter * Coventry Carol * God Rest Ye Merry Gentlemen * Hallelujah * I'll Be Home for Christmas * Merry Christmas, Happy Holidays * O Come, All Ye Faithful * Up on the Housetop * White Christmas.