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Dänemark| Label: | EMI USA MT PD 90 |
| Genre: | Rock |
| Style: | Hard Rock |
| Format: | Vinyl (7" , Picture Disc , Limited Edition) |
| A | Empire » Mixed By: James "Jimbo" Barton » Producer: Peter Collins » Recorded By: Paul Northfield | |
| B | Scarborough Faircanticle » Mixed By: James "Jimbo" Barton » Producer: Neil Kernon, Queensrÿche » Recorded By: Neil Kernon, Tom Hall |
| Label: | EMI USA MT 90 |
| Genre: | Rock |
| Style: | Hard Rock, Heavy Metal |
| Format: | Vinyl (7" , 45 RPM , Single) |
| A | Empire » Producer: Peter Collins » Recorded By: Paul Northfield » Written-By: Geoff Tate, Mike Wilton | 5:07 |
| B | Scarborough Fair » Producer: Neil Kernon, Queensrÿche » Recorded By: Neil Kernon, Tom Hall » Written-By: Paul Simon/ArtGarfunkel | 3:53 |
| Label: | EMI 060-20 4025 6 |
| Genre: | Rock |
| Style: | Heavy Metal |
| Format: | Vinyl (12" , Maxi-Single , 45 RPM) |
| A | Empire » Mixed By: James "Jimbo" Barton » Producer: Peter Collins » Recorded By: Paul Northfield » Written-By: Geoff Tate, Michael Wilton | 5:08 |
| B1 | Scarborough Fair » Producer: Neil Kernon, Queensryche » Recorded By: Neil Kernon, Tom Hall » Written-By: Paul Simon, Art Garfunkel | 3:48 |
| B2 | Prophecy » Recorded By: Neil Kernon » Written-By: Chris DeGarmo | 3:56 |
| Label: | EMI DPRO 4640 |
| Genre: | Rock |
| Format: | CD (Promo , Single) |
| 1 | Empire (Edit) | 4:41 |
| Label: | EMI CDP 560-20 4032 2 |
| Genre: | Rock |
| Style: | Heavy Metal |
| Format: | CD (Maxi-Single) |
| 1 | Empire | |
| 2 | Scarborough Fair | |
| 3 | Prophecy | |
| 4 | Della Brown |
| Label: | EMI USA 20 4025 6 |
| Genre: | Rock |
| Style: | Hard Rock, Heavy Metal |
| Format: | Vinyl (12" , Maxi-Single) |
| A | Empire | 5:07 |
| B1 | Scarborough Fair | 3:53 |
| B2 | Prophecy | 3:58 |
