| 2021-10-11 |  Underground Raw Techno, Vol. 01 @ LW Recordings @ 2021-10-11 | 6 | Techno (Raw / Deep / Hypnotic) | Matt Ess, Corvis - Contract 88 (Original Mix)6:31 | |
| 2021-04-30 |  Contract 88 @ Ex-tract Records @ 2021-04-30 | 1 | Techno (Raw / Deep / Hypnotic) | Matt Ess, Corvis - Contract 88 (Original Mix)6:31 | |
| 2021-04-30 | Contract 88 @ Ex-tract Records @ 2021-04-30 | 2 | Techno (Raw / Deep / Hypnotic) | Matt Ess, Corvis - Exit 99 (Original Mix)6:48 | |