Tracklist
| A1 | What You Don't Know | 4:43 |
| A2 | Stop, Listen, Look & Think | 4:05 |
| A3 | Tell Me Why | 5:22 |
| A4 | When I Looked At Him | 5:31 |
| A5 | Let Me Down Easy | 4:50 |
| B1 | Still Hung Up On You | 3:57 |
| B2 | Your Baby Never Looked Good In Blue | 3:48 |
| B3 | Now That I Found You | 3:43 |
| B4 | Love Don't Hurt (Until You Fall) | 4:17 |
| B5 | Didn't It Hurt To Hurt Me | 5:36 |
| B6 | Walk Along With Me | 3:04 |
Credits
- Executive Producer – Francisco J. Diaz, Ismael Garcia
- Producer, Arranged By – Lewis A. Martineé
Other versions
| Category | Artist | Title (Format) | Label | Category | Country | Year |
|---|---|---|---|---|---|---|
| AL-8532 | Exposé | What You Don't Know (LP, Album) | Arista | AL-8532 | US | 1989 |
| 210 062 | Exposé | What You Don't Know (LP, Album) | Arista | 210 062 | Germany | 1989 |
| 74047 | Exposé | What You Don't Know (LP, Album) | Arista | 74047 | Greece | 1989 |
| CRPOPT187 | Exposé | What You Don't Know - Deluxe Edition (3xCD) | Cherry Pop | CRPOPT187 | UK | 2017 |
| 260 062 | Exposé | What You Don't Know (CD, Album) | Arista | 260 062 | Europe | 1989 |
Tracklist
| A1 | What You Don't Know (Atomic Mix) |
| A2 | What You Don't Know (Single Version) |
| B1 | What You Don't Know (Brass Mix) |
Credits
- Mixed By – Lewis A. Martineé
- Producer – Lewis A. Martineé
Other versions
| Category | Artist | Title (Format) | Label | Category | Country | Year |
|---|---|---|---|---|---|---|
| AD1-9837 | Exposé | What You Don't Know (12") | Arista | AD1-9837 | US | 1989 |
| 3A 612354 | Exposé | What You Don't Know (12", Maxi) | Arista | 3A 612354 | Spain | 1989 |
| B15D-51009 | Exposé | What You Don't Know (CD, Maxi) | Arista | B15D-51009 | Japan | 1989 |
| CAS-9836 | Exposé | What You Don't Know (Cass, Single) | Arista | CAS-9836 | US | 1989 |
| CAS-9836 | Exposé | What You Don't Know (7", Single, Ltd) | Arista | CAS-9836 | US | Unknown |
