| 2019-03-28 |  Tell Me @ Shield Records @ 2019-03-28 | 1 | Deep House | HOLKER - Tell Me (Original Mix)5:12 | |
| 2017-01-06 |  Freedom EP @ Shield Records @ 2016-12-23 | 1 | Tech House | Netto Buck, HOLKER - Freedom Rework (Original Mix)5:48 | |
| 2017-01-06 | Freedom EP @ Shield Records @ 2016-12-23 | 2 | Tech House | Netto Buck, HOLKER - Way (Original Mix)6:17 | |