| ID | Interpret | Skladba | Album | |
| 1. | Backstreet Boys | If I Knew Then | This Is Us |    |
| 2. | Storm & The Balls | We Knew Her When... | Live @ Red Devil Lounge - San Francisco, CA 03/22/07 | |
| 3. | function 29 | i wish i knew | n/a | |
| 4. | Jamie Bonk | If You Only Knew | Jamie Bonk | |
| 5. | Jamie Bonk | If You Only Knew | Jamie Bonk | |
| 6. | function 29 | i wish i knew | n/a | |
| 7. | DUBCNN: Da Brat | If Only U Knew | | |
| 8. | Jeff Buckley | If You Knew | Live at Sin-� [Deluxe Edition DVD] Disc 1 | |
| 9. | Jeff Buckley | If You Knew | Live at Sin-� [Deluxe Edition DVD] Disc 1 | |
| 10. | Jeff Buckley | If You Knew | Live at Sin-é [Deluxe Edition DVD] Disc 1 | |
| 11. | Jeff Buckley | If You Knew | Live at Sin-é [Deluxe Edition DVD] Disc 1 | |
| 12. | Jeff Buckley | If You Knew | Live at Sin-� [Deluxe Edition DVD] Disc 1 | |
| 13. | Fat Pat | If You Only Knew | Greatest Hits Vol. 2 (Chopped | |
| 14. | The Library | Wish I Knew | The Life and Times of Rosa Lee | |
| 15. | Jack & Jeffrey Lewis | They Always Knew | City & Eastern Songs | |
| 16. | Benjamin Warren | When I Knew You | | |
| 17. | Benjamin Siksou | Just know that I knew | | |
| 18. | Backstreet Boys | If I Knew Then | This Is Us | |
| 19. | Backstreet Boys | If You Knew What I Knew | Larger Than Life | |
| 20. | Krupa,Gene & Rich | I Never Knew | | |
| 21. | DJ Nav | Only Knew | | |
| 22. | Barry Kooda | If I Knew Then | Crossin' The Line | |
| 23. | Barry and Holly | If I Knew Then | Ready for Love | |
| 24. | Barry and Holly | If I Knew Then | Ready for Love | |
| 25. | Nina Simone | If You Knew/Let It Be Me | Verve Jazz Masters 58: Nina Sings Nina | |
| 26. | Nina Simone | I Wish I Knew How It Would ... | Anthology | |
| 27. | Basia Bulat | Before I Knew | | |
| 28. | Basia Bulat | Before I Knew | Oh, My Darling | |
| 29. | Basia Bulat | Before I Knew | Wolfe Island Music Fest, 11 August 2007 | |
| 30. | Nina Simone | If You Knew/Let It Be Me | Verve Jazz Masters 58: Nina Sings Nina | |
