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Dänemark| Label: | PGP RTB S 53 634 |
| Genre: | Pop |
| Style: | Vocal |
| Format: | Vinyl (7" , Single) |
| A | Mamy Blue » Arranged By, Conductor: Leon Young » Written-By: H. Giraud, P. Trim | |
| B | I Believe » Arranged By, Conductor: Zack Laurence » Written-By: Roger Whittaker |
| Label: | Philips 6073 512 |
| Genre: | Pop |
| Style: | Vocal |
| Format: | Vinyl (7" , Single , 45 RPM , Mono) |
| A | Mamy Blue » Written-By: H. Giraud, P. Trim | |
| B | Where's Jack » Written By: Bernstein, Black » Written-By: Zack Laurence |
| Label: | Columbia DB 8822 |
| Genre: | Pop |
| Style: | Vocal |
| Format: | Vinyl (7" , Single , 45 RPM) |
| A | Mamy Blue » Arranged By, Conductor, Directed By: Leon Young » Written-By: Giraud, Trim | |
| B | I Believe » Directed By, Arranged By: Zack Laurence » Written-By: Whittaker |
| Label: | Philips 6073 513 |
| Genre: | Folk, World, & Country |
| Style: | Country, Folk |
| Format: | Vinyl (7" , Single , 45 RPM) |
| A | Mamy Blue | 3:42 |
| B | I Believe | 2:35 |
| Label: | Philips 6073 513 |
| Genre: | Pop |
| Style: | Vocal |
| Format: | Vinyl (7" , Single , 45 RPM) |
| A | Mamy Blue » Arranged By, Conductor, Directed By: Leon Young » Written-By: Giraud, Trim | |
| B | I Believe » Directed By, Arranged By: Zack Laurence » Written-By: Whittaker |
| Label: | Philips 6073 513 |
| Genre: | Pop, Folk, World, & Country |
| Format: | Vinyl (7" , Single , 45 RPM , Promo) |
| A | Mamy Blue » Arranged By: Leon Young | 3:42 |
| B | I Believe » Arranged By: Zack Laurence | 2:35 |
