| Official |
|---|
| 1.1 | Could You Believe (airplay mix) | 3:29 | ATB | Could You Believe | ATB | Single | | Kontor Records | 881226672222 |
| 1.1 | Could You Believe (airplay mix) | 3:30 | ATB feat. Jennifer Karr | Sunset Beach DJ Session | ATB | Album + Compilation + DJ-mix | | Kontor Records | 881226 674028 |
| 2.11 | Could You Believe | 3:32 | ATB | Kontor: House of House, Volume 10 | Various Artists | Album + Compilation + DJ-mix | | Kontor Records | 1061331KON |
| 1.33 | Could You Believe (airplay mix) | 3:29 | ATB | Kontor: House of House: 10th Anniversary | Various Artists | Album + Compilation | | Kontor Records | |
| 2.6 | Could You Believe (airplay mix) | 3:29 | ATB | Club Sounds: The Ultimate Club Dance Collection, Vol. 54 | Various Artists | Album + Compilation + DJ-mix | | Sony Music | 886976331429 |
| 2.12 | Could You Believe | 3:31 | ATB | Future Trance 53 | Various Artists | Album + Compilation | | Polystar | 060075330319 (1) |
| 2.5 | Could You Believe | 3:32 | ATB | Sunshine Live, Vol. 35 | Various Artists | Album + Compilation | | Toptrax Recordings | TOPZ 10136-2 |
| 1.20 | Could You Believe (airplay mix) | 3:30 | ATB | Trance Voices - The New Chapter, Volume 1 | Various Artists | Album + Compilation | | Polystar | 0600753311325 |
| 1.5 | Could You Believe (airplay mix) | 3:32 | ATB | Kontor: House of House: Top of the Moscow Clubs, Volume 1 | Various Artists | Album + Compilation | | Gala Records | GL10687 |
| 1.4 | Could You Believe (airplay mix) | 3:29 | ATB | All the Best | ATB | Album + Compilation | | Kontor Records | [none] |
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