Tracks
| # | Title | Sung by | |
|---|---|---|---|
| 1 | Opa Koos (Mag ik je kijkdoos effe zien) | De Sjonnies | 3:12 |
| 2 | Verjaardagspolka | De Sjonnies | 3:21 |
Member reviews
Source: MusicBrainz release group 26601367-e717-33c1-b2de-12b8235ea75c (CC0). Cover: Cover Art Archive.
| # | Title | Sung by | |
|---|---|---|---|
| 1 | Opa Koos (Mag ik je kijkdoos effe zien) | De Sjonnies | 3:12 |
| 2 | Verjaardagspolka | De Sjonnies | 3:21 |
Source: MusicBrainz release group 26601367-e717-33c1-b2de-12b8235ea75c (CC0). Cover: Cover Art Archive.