Tracklist
| Wat ? | 3:23 |
| Mein Aufbaupräparat | 2:57 |
Versions
| Category | Artist | Title (Format) | Label | Category | Country | Year |
|---|---|---|---|---|---|---|
| CBS A 3223, A 3223 | Willem | Wat ? (7", Single) | CBS, CBS | CBS A 3223, A 3223 | Germany | 1983 |
| CBSA 12.3223 | Willem | Wat ? (12", Maxi) | CBS | CBSA 12.3223 | Netherlands | 1983 |
