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Dänemark| Label: | Warner Bros. Records WBS 8661 |
| Genre: | Rock |
| Style: | Folk Rock, Classic Rock |
| Format: | Vinyl (7" , 45 RPM , Promo) |
| A | Wavelength (Long Version) | 6:07 |
| B | Wavelength (Short Version) | 3:57 |
| Label: | Warner Bros. Records PRO-A-755 |
| Genre: | Rock |
| Style: | Classic Rock |
| Format: | Vinyl (12" , 33 ⅓ RPM , Promo) |
| A | Wavelength (Short Version) | 3:57 |
| B | Wavelength (Long Version) | 6:07 |
| Label: | Warner Bros. Records WB 17.254 |
| Genre: | Rock |
| Style: | Folk Rock |
| Format: | Vinyl (7" , 45 RPM) |
| A | Wave Length (Short Version) | 3:57 |
| B | Checkin' It Out |
| Label: | Warner Bros. Records PRO-A755 |
| Genre: | Rock |
| Format: | Vinyl (12") |
| 1 | Wavelength (Short Version) | 3:57 |
| 2 | Wavelength (Long Version) | 6:07 |
| Label: | Warner Bros. Records WBS 8661 |
| Genre: | Rock |
| Style: | Folk Rock, Classic Rock |
| Format: | Vinyl (7" , 45 RPM , Single) |
| A | Wavelength (Short Version) | 3:57 |
| B | Checkin' It Out | 3:29 |
| Label: | Warner Bros. Records WBS 8661 |
| Genre: | Rock |
| Style: | Folk Rock, Classic Rock |
| Format: | Vinyl (7" , 45 RPM , Single) |
| A | Wavelength (Short Version) | 3:57 |
| B | Checkin' It Out | 3:29 |
