Easy Instrumental Duets. 22 terrific holiday duets for instrumentalists are featured in this collection: All I Want for Christmas Is You - Baby, It's Cold Outside - The Christmas Song (Chestnuts Roasting on an Open Fire) - Do You Want to Build a Snowman? - Feliz Navidad - Have Yourself a Merry Little Christmas - It's Beginning to Look like Christmas - Let It Snow! Let It Snow! Let It Snow! - Mary, Did You Know? - Rockin' Around the Christmas Tree - Silver Bells - White Christmas - and more.