No reviews available.
Disc1
| 1 | Someday (I Will Understand) (album version) | Britney Spears | 3:37 |
| 2 | Someday (I Will Understand) (instrumental) | Britney Spears | 3:37 |
| 3 | Someday (I Will Understand) (Hi-Bias Signature radio remix) | Britney Spears | 3:46 |
| 4 | Someday (I Will Understand) (Leama and Moor remix) | Britney Spears | 9:18 |