| Label: | FM Records FM 2050 |
| Genre: | Electronic |
| Style: | Euro House |
| Format: | Vinyl (12" , 45 RPM) |
| A1 | Why? Why? Why? (Deja Vu's From Belfast To Bosnia Club Edit) | 3:43 |
| A2 | Why? Why? Why? (Rolo's Woodentops 93 Edit) | 3:37 |
| B | Why? Why? Why? (Deja Vu's From Belfast To Bosnia Club Mix) | 6:24 |
| Label: | Cowboy Records 12 RODEO 94-1 DJ |
| Genre: | Electronic |
| Style: | Progressive House, House |
| Format: | Vinyl (12" , Promo , 33 ⅓ RPM) |
| A1 | Why Why Why (Déja Vu Club Mix) | |
| A2 | Why Why Why (Déja Dub) | |
| AA1 | Why Why Why (Rolo's Alternative Mix) » Remix: Rolo | |
| AA2 | Why Why Why (H.A.L.F. Acid Workout) » Remix: H.A.L.F. |
| Label: | Cowboy Records 12 RODEO 94-1 |
| Genre: | Electronic |
| Style: | Progressive House |
| Format: | Vinyl (12") |
| A1 | Why?Why?Why? (Deja Vu's From Belfast To Bosnia Club Mix) » Engineer: Ollie J » Producer, Mixed By: Deja Vu | |
| A2 | Why?Why?Why? (Deja Dub) » Engineer: Ollie J » Producer, Mixed By: Deja Vu | |
| AA1 | Why?Why?Why? (Rolo's Woodentops 93 Mix) » Engineer: Steve Dub » Producer, Mixed By, Remix: Rolo | |
| AA2 | Why?Why?Why? (H.A.L.F. Acid Workout) » Producer, Mixed By, Engineer: H.A.L.F. |
| Label: | Cowboy Records 12RODEO94-1 |
| Genre: | Electronic |
| Style: | Progressive House, House |
| Format: | Vinyl (12") |
| A1 | Why Why Why (Déja Vu Club Mix) | |
| A2 | Why Why Why (Déja Dub) | |
| B1 | Why Why Why (Rolo's Alternative Mix) » Remix: Rolo | |
| B2 | Why Why Why (H.A.L.F. Acid Workout) » Remix: H.A.L.F. |
| Label: | Cowboy Records INT 827.224 |
| Genre: | Electronic |
| Style: | Progressive House |
| Format: | CD (Maxi-Single) |
| 1 | Why?Why?Why? (Deja Vu's From Belfast To Bosnia Club Edit) | 3:45 |
| 2 | Why?Why?Why? (Deja Vu's From Belfast To Bosnia Club Mix) | 6:23 |
| 3 | Why?Why?Why? (H.A.L.F. Acid Workout) » Producer, Engineer, Remix: H.A.L.F. | 6:52 |
| 4 | Why?Why?Why? (Deja Dub) | 5:03 |
| Label: | Cowboy Records CDRODEO94-1 |
| Genre: | Electronic |
| Style: | Progressive House |
| Format: | CD (Single) |
| 1 | Why?Why?Why? (Deja Vu's From Belfast To Bosnia Club Edit) » Engineer: Ollie J » Producer, Mixed By: Deja Vu | 3:43 |
| 2 | Why?Why?Why? (Rolo's Woodentops 93 Edit) » Engineer: Steve Dub » Producer, Mixed By: Deja Vu » Remix: Rolo | 3:37 |
| 3 | Why?Why?Why? (Deja Vu's From Belfast To Bosnia Club Mix) » Engineer: Ollie J » Producer, Mixed By: Deja Vu | 6:24 |
| 4 | Why?Why?Why? (Deja Dub) » Engineer: Ollie J » Producer, Mixed By: Deja Vu | 5:02 |
| 5 | Why?Why?Why? (Rolo's Woodentops 93 Mix) » Engineer: Steve Dub » Producer, Mixed By: Deja Vu » Remix: Rolo | 7:32 |
| 6 | Why?Why?Why? (H.A.L.F. Acid Workout) » Remix, Producer, Engineer: H.A.L.F. | 6:52 |
| Label: | Cowboy Records INT 127.224 |
| Genre: | Electronic |
| Style: | Progressive House |
| Format: | Vinyl (12" , 45 RPM , Maxi-Single) |
| A1 | Why?Why?Why? (Deja Vu´s From Belfast To Bosnia Club Mix) | 6:23 |
| B1 | Why?Why?Why? (H.A.L.F. Acid Workout) | 6:52 |
| B2 | Why?Why?Why? (Deja Dub) |