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Dänemark| Label: | Epic 9-50770 |
| Genre: | Rock |
| Style: | Pop Rock |
| Format: | Vinyl (7") |
| A | What's A Matter Baby » Written-By: C. Otis, J. Byers | 3:35 |
| B | Hideaway » Written-By: F. Goodman | 3:42 |
| Label: | Epic EPC 7999 |
| Genre: | Rock |
| Style: | Soft Rock |
| Format: | Vinyl (7" , Single) |
| A | What's A Matter Baby | 3:35 |
| B | Hideaway | 3:42 |
| Label: | Epic S EPC 7999 |
| Genre: | Rock |
| Style: | Soft Rock |
| Format: | Vinyl (7" , 45 RPM , Promo) |
| A | What's A Matter Baby | 3:35 |
| B | Hideaway | 3:42 |
| Label: | Cleveland International Records S EPC 7999 |
| Genre: | Rock |
| Style: | Soft Rock |
| Format: | Vinyl (7" , Single , 45 RPM) |
| A | What's A Matter Baby » Written-By: C. Otis, J. Byers | 3:35 |
| B | Hideaway » Written-By: F. Goodman | 3:42 |
| Label: | Epic EPC 7999 |
| Genre: | Rock |
| Format: | Vinyl (7" , Single) |
| A | What's The Matter Baby (Que Pasa, Nena?) | 3:35 |
| B | Hideway (Escondite) | 3:42 |
