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Dänemark| Label: | Bellaphon 100-03-005 |
| Genre: | Rock, Pop |
| Style: | Classic Rock, Schlager, Glam |
| Format: | Vinyl (7" , Single , 45 RPM , Reissue) |
| A | Heya » Written By: Robert Maskley/J.P. Stalling » Written-By: Robert Maskley, J.P. Stalling | 3:23 |
| B | Na Na Hey Hey » Written By: G. De Carlo/D. Frashuer/P. Leka » Written-By: D. Frashuer, G. De Carlo, P. Leka | 3:42 |
| Label: | Admiral Records AD 1105 |
| Genre: | Rock |
| Style: | Blues Rock, Prog Rock |
| Format: | Vinyl (7") |
| A | Heya » Written-By: Robert Markley, J.P. Stalling | 3:23 |
| B | So Nice To Know » Written-By: Hajo Born | 3:42 |
| Label: | Pink Elephant 22.032 Y |
| Genre: | Rock |
| Style: | Pop Rock |
| Format: | Vinyl (7" , 45 RPM , Mono) |
| A | Heya » Written-By: Robert Markley, J.P. Stalling | 3:23 |
| B | So Nice To Know » Written-By: Hajo Born | 3:00 |
| Label: | Bellaphon BF 18145 |
| Genre: | Pop, Rock |
| Style: | Classic Rock, Schlager, Glam |
| Format: | Vinyl (7" , Single , 45 RPM) |
| A | Heya » Written By: Robert Maskley/J.P. Stalling » Written-By: R. Maskley, J.P. Stalling | 3:23 |
| B | Na Na Hey Hey » Written By: G. De Carlo/D. Frashuer/P. Leka » Written-By: D. Frashuer, G. De Carlo, P. Leka | 3:42 |
| Label: | Columbia MO 765 |
| Genre: | Rock |
| Format: | Vinyl (7" , Single) |
| A | Heya » Written-By: Robert Markley, J.P. Stalling | |
| B | So Nice To Know » Written-By: Hajo Born |
| Label: | Disc'AZ SG 150 |
| Genre: | Rock |
| Style: | Prog Rock |
| Format: | Vinyl (7" , 45 RPM) |
| A | Heya » Written-By: Robert Markley, J.P. Stalling | 3:23 |
| B | So Nice To Know » Written-By: Hajo Born | 3:00 |
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