- Were You Watching?
- What Am I to You? prod. by Arif Mardin
- What Am I To You (Alternate Version – The Allaire Sessions) (Unreleased)
- What Am I To You (First Sessions Outtakes) (Unreleased)
- What Are You Doing New Year's Eve? prod. by Leon Michels
- What'd I Say (Live 2011) by Willie Nelson & Wynton Marsalis
- What Is This Thing Called Love by Willie Nelson prod. by Buddy Cannon & Matt Rollings
- What Would I Do
- What Would I Do Without You
- When Sunny Gets Blue (First Sessions Outtakes) (Unreleased)
- Where Have All the Flowers Gone? by Dolly Parton (Ft. Lee Ann Womack) prod. by Dolly Parton
- White Christmas prod. by Leon Michels
- Who's Gonna Shoe Your Pretty Little Feet? by Billie Joe Armstrong & Norah Jones prod. by Billie Joe Armstrong
- Why Can't He Be You
- Wild Horses by Tim Ries
- Wintertime prod. by Jeff Tweedy
- Winter Wonderland prod. by Leon Michels
- Wish I Could prod. by Lee Alexander