Side A
1. The Lady Is A Tramp – duet with Lady Gaga
2. One For My Baby (And One More For The Road) – duet with John Mayer
3. Body And Soul – duet with Amy Winehouse
4. Don't Get Around Much Anymore – duet with Michael Bublé
5. Blue Velvet – duet with k.d. lang
Side B
1. How Do You Keep The Music Playing – duet with Aretha Franklin
2. The Girl I Love – duet with Sheryl Crow
3. On The Sunny Side Of The Street – duet with Willie Nelson
4. Who Can I Turn To (When Nobody Needs Me) – duet with Queen Latifah
Side C
1. Speak Low – duet with Norah Jones
2. This Is All I Ask – duet with Josh Groban
3. Watch What Happens – duet with Natalie Cole
4. Stranger In Paradise – duet with Andrea Bocelli
Side D
1. The Way You Look Tonight – duet with Faith Hill
2. Yesterday I Heard The Rain – duet with Alejandro Sanz
3. It Had To Be You – duet with Carrie Underwood
4. When Do The Bells Ring For Me – duet with Mariah Carey