| CD1 |
| 1. What Is Love (Eat-This-Mix) | not rated | 6:57 |
| 2. What Is Love (Tour De Trance-Mix) | not rated | 6:02 |
| 3. What Is Love (Mosquito Headz - Millennium 7" Remix) | not rated | 3:48 |
| 4. What Is Love (7" Mix) | not rated | 4:30 |
| 5. What Is Love (12" Mix) | not rated | 6:42 |
| 6. What Is Love (Club Mix) | not rated | 5:02 |
| 7. What Is Love (Pump Mix '99) | not rated | 4:09 |
| 8. What Is Love (Tee's Club Mix by Tod Terry) | not rated | 8:10 |
| 9. What Is Love (The Re-Freshmento Extro Mix) | not rated | 5:23 |
| 10. What Is Love (Rapino-Brothers-Mix) | not rated | 3:50 |
| 11. What Is Love (Tnt's Alt.Radio Edit'99) | not rated | 3:10 |
| 12. What Is Love (Lynx & Pico Remix) | not rated | 2:55 |
| 1:00:42 |
| CD2 |
| 1. Klaas & Haddaway - What Is Love (Klaas Radio Edit) | not rated | 3:24 |
| 2. Klaas & Haddaway - What Is Love (Klaas Club Mix) | not rated | 5:28 |
| 3. Klaas & Haddaway - What Is Love (Klaas Impact Mix Edit) | not rated | 3:24 |
| 4. Klaas & Haddaway - What Is Love (Klaas Impact Mix) | not rated | 5:28 |
| 5. Klaas & Haddaway - What Is Love (Bodybangers Remix Edit) | not rated | 3:37 |
| 6. Klaas & Haddaway - What Is Love (Bodybangers Remix) | not rated | 6:50 |
| 7. Klaas & Haddaway - What Is Love (Spinnin Elements Remix Edit) | not rated | 3:43 |
| 8. Klaas & Haddaway - What Is Love (Spinnin Elements Remix) | not rated | 6:01 |
| 9. Klaas & Haddaway - What Is Love (Cansis Remix Edit) | not rated | 3:10 |
| 10. Klaas & Haddaway - What Is Love (Cansis Remix) | not rated | 5:14 |
| 46:23 |
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