| 2018-08-13 |  The Collection, Vol. 1 @ X-treme Hard Traxx @ 2018-08-13 | 1 | Techno (Peak Time / Driving) | Kai. Z - Breakdown (Original Mix)7:20 | |
| 2018-08-13 | The Collection, Vol. 1 @ X-treme Hard Traxx @ 2018-08-13 | 2 | Techno (Peak Time / Driving) | Kai. Z - Deja Vu (Original Mix)7:29 | |
| 2018-08-13 | The Collection, Vol. 1 @ X-treme Hard Traxx @ 2018-08-13 | 3 | Techno (Peak Time / Driving) | Kai. Z - Breakdown (UniTy (Ger) Remix)6:38 | |
| 2018-08-13 | The Collection, Vol. 1 @ X-treme Hard Traxx @ 2018-08-13 | 4 | Techno (Peak Time / Driving) | Kai. Z - Dimension (Original Mix)5:36 | |
| 2018-08-13 | The Collection, Vol. 1 @ X-treme Hard Traxx @ 2018-08-13 | 5 | Techno (Peak Time / Driving) | Kai. Z - Down The House (Original Mix)7:53 | |
| 2018-03-12 |  Inferno @ X-treme Hard Traxx @ 2018-03-12 | 1 | Techno (Peak Time / Driving) | Kai. Z - Inferno (Original Mix)8:05 | |
| 2018-03-12 | Inferno @ X-treme Hard Traxx @ 2018-03-12 | 2 | Techno (Peak Time / Driving) | Kai. Z - Little Bit (Original Mix)7:42 | |
| 2018-01-08 |  Dark Selection @ X-treme Hard Traxx @ 2018-01-08 | 1 | Techno (Peak Time / Driving) | Kai. Z - Dark Alien (Original Mix)8:04 | |
| 2018-01-08 | Dark Selection @ X-treme Hard Traxx @ 2018-01-08 | 2 | Techno (Peak Time / Driving) | Kai. Z - MFG (Original Mix)7:25 | |
| 2018-01-08 | Dark Selection @ X-treme Hard Traxx @ 2018-01-08 | 3 | Techno (Peak Time / Driving) | Kai. Z - Dark Selection (Original Mix)7:33 | |
| 2017-10-23 |  100%% German Underground, Vol. 4 @ X-treme Hard Traxx @ 2017-10-09 | 7 | Techno (Peak Time / Driving) | Kai. Z - Backing (Original Mix)6:57 | |
| 2017-10-23 | 100%% German Underground, Vol. 4 @ X-treme Hard Traxx @ 2017-10-09 | 8 | Techno (Peak Time / Driving) | Kai. Z - Dubed Out (Original Mix)7:16 | |
| 2017-10-23 | 100%% German Underground, Vol. 4 @ X-treme Hard Traxx @ 2017-10-09 | 47 | Techno (Peak Time / Driving) | Kai. Z - Beat Of Love (Batteriebetrieb Remix)7:37 | |
| 2017-10-23 | 100%% German Underground, Vol. 4 @ X-treme Hard Traxx @ 2017-10-09 | 48 | Techno (Peak Time / Driving) | Kai. Z - Beat Of Love (Technolf Remix)7:07 | |
| 2017-10-23 | 100%% German Underground, Vol. 4 @ X-treme Hard Traxx @ 2017-10-09 | 52 | Techno (Peak Time / Driving) | Kai. Z - In The Stories 2K17 (Infra-Schall Remix)6:06 | |