| 2018-09-16 |  Sound Underground @ Klangwerk Records @ 2018-09-15 | 1 | Tech House | Alejandre - Sound Underground (Original Mix)7:50 | |
| 2018-09-16 | Sound Underground @ Klangwerk Records @ 2018-09-15 | 2 | Tech House | Alejandre - Sound Underground (Etwas (IT) Bad Boy Remix)6:17 | |
| 2018-09-16 | Sound Underground @ Klangwerk Records @ 2018-09-15 | 3 | Tech House | Alejandre - Comeback (Original Mix)6:58 | |
| 2018-09-16 | Sound Underground @ Klangwerk Records @ 2018-09-15 | 4 | Tech House | Alejandre - Comeback (DJ Entwan & Dan Corco remix)6:48 | |