Tracks
| # | Title | Sung by | |
|---|---|---|---|
| A1 | Bulgarian (Signum Remix Extended) | Travel | 6:30 |
| A2 | Bulgarian (Signum Remix Radio Edit) | Travel | 3:03 |
| B1 | Bulgarian (Incisions Remix) | Travel | 7:20 |
| B2 | Bulgarian (Original Clubmix) | Travel | 5:32 |
Source: MusicBrainz release group 39ee5b0d-c7d4-4a60-a31b-2caf85c246c8 (CC0). Cover: Cover Art Archive.