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Dänemark| Label: | CNR 0030.406 |
| Genre: | Electronic |
| Style: | Disco |
| Format: | Vinyl (7" , 45 RPM , Single) |
| A | Rio | 3:26 |
| B | It's A Different World | 3:53 |
| Label: | EMI 1A 006-26668 |
| Genre: | Electronic |
| Style: | Disco |
| Format: | Vinyl (7" , Single) |
| A | Rio » Engineer: J. Sonneveld | 3:23 |
| B | It's A Different World » Engineer: O. Huysdens | 3:55 |
| Label: | CBS CBS 1390 |
| Genre: | Electronic, Pop |
| Style: | Europop, Disco |
| Format: | Vinyl (7" , Single) |
| A | Rio » Engineer: J. Sonneveld | 3:23 |
| B | It's A Different World » Engineer: O. Huysdens | 3:55 |
| Label: | EMI EMIJ 4365 |
| Genre: | Electronic, Pop |
| Style: | Europop, Disco |
| Format: | Vinyl (7" , Single) |
| A | Rio » Engineer: J. Sonneveld | 3:24 |
| B | It's A Different World » Engineer: O. Huysdens | 3:53 |
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