| Label: | MCA Records MCA12 55391 |
| Genre: | Electronic, Hip Hop |
| Style: | RnB/Swing, Garage House |
| Format: | Vinyl (12") |
| A1 | Last Night's Letter (LP Version) » Featuring: Jean Paul Esq » Remix: Ignorants | 4:38 |
| A2 | Last Night's Letter (So So Def Remix) » Remix: Jermaine Dupri | 4:10 |
| B1 | Last Night's Letter (So So Def Remix Instrumental) » Remix: Jermaine Dupri | 4:10 |
| Label: | MCA Records MCADS-55380 |
| Genre: | Funk / Soul |
| Style: | Rhythm & Blues |
| Format: | CD (Single) |
| 1 | Last Night's Letter » Lyrics By: Gloria Stewart, K-Ci Hailey » Producer, Music By: Laney Stewart | 4:38 |
| 2 | Baby Come Back » Lyrics By: JoJo Hailey, K-Ci Hailey » Music By: Andrew Braxton, Fred Rosser, Gene Marcellino, Jerry Marcellino, Mel Larson » Producer: Jeff Redd » Producer, Music By: Derrick Garrett | 4:15 |
| Label: | MCA Records MCADM-55391 |
| Genre: | Funk / Soul |
| Style: | Rhythm & Blues |
| Format: | CD (Single , Promo) |
| 1 | Last Night's Letter (Lp) K-Ci & JoJo | 4:38 |
| 2 | Last Night's Letter (So So Def Remix) K-Ci & JoJo | 4:10 |
| 3 | Last Night's Letter (So So Def Remix Instrumental) K-Ci & JoJo | 4:10 |
| 4 | I Care 'Bout You Milestone | 4:59 |