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Dänemark| Label: | Threshold Records TH 30 |
| Genre: | Rock |
| Style: | Pop Rock |
| Format: | Vinyl (7") |
| A | Blue World | |
| B | Going Nowhere |
| Label: | Threshold Records THX 30 |
| Genre: | Electronic, Rock |
| Style: | Pop Rock, Synth-pop |
| Format: | Vinyl (12") |
| A | Blue World | |
| B | Going Nowhere |
| Label: | Threshold Records PRO 237-1 |
| Genre: | Electronic, Rock |
| Style: | Pop Rock, Synth-pop |
| Format: | Vinyl (12" , Single , Promo) |
| A | Blue World (Long Version) | 5:16 |
| B | Blue World (Short Version) | 3:38 |
| Label: | Threshold Records TR 605 |
| Genre: | Electronic, Rock |
| Style: | Pop Rock, Synth-pop |
| Format: | Vinyl (7" , 45 RPM , Single) |
| A | Blue World » Written-By: J. Hayward | 3:38 |
| B | Sorry » Written-By: R. Thomas | 4:58 |
| Label: | Threshold Records TRS 605 |
| Genre: | Electronic, Rock |
| Style: | Pop Rock, Synth-pop |
| Format: | Vinyl (7" , 45 RPM , Single) |
| A | Blue World » Written-By: J. Hayward | 3:38 |
| B | Sorry » Written-By: R. Thomas | 4:58 |
| Label: | Threshold Records 9-09 017 |
| Genre: | Rock |
| Style: | Symphonic Rock |
| Format: | Vinyl (7" , Single) |
| A | Blue World (Mundo Azul) | |
| B | Going Nowhere |
| Label: | Teldec 6.13922 |
| Genre: | Rock |
| Style: | Pop Rock |
| Format: | Vinyl (7" , Single) |
| A | Blue World | |
| B | Going Nowhere |
