Jan Křišťál
Mixing and mastering engineer, founder of Audiogarden Studio and also the sound engineer of the State Opera Prague.
| Název skladby | Stopáž | Album | Hlavní umělec | |
| Bianco | 03:05 | Bianco | Boris Sabáček | |
| Fullmoon | 02:05 | Sex | Arleta | |
| Happy Birthday | 02:49 | PROTENKONTRAST | Ben Cristovao | |
| Motivace | 02:36 | PROTENKONTRAST | Ben Cristovao | |
| Mramor | 02:08 | Mramor | Boris Sabáček | |
| Multiverse | 03:10 | PROTENKONTRAST | Ben Cristovao | |
| nehleda lasku | 02:36 | nehledá lásku | René Dang | |
| Nevinny | 03:02 | PROTENKONTRAST | Ben Cristovao | |
| Pamatuju | 03:08 | PROTENKONTRAST | Ben Cristovao | |
| Pony Express | 02:58 | Sex | Arleta | |
| Private Poison | 02:49 | Sex | Arleta | |
| Prsi, Prsi | 03:08 | PROTENKONTRAST | Ben Cristovao | |
| Sex | 03:00 | Sex | Arleta | |
| Spiderman | 02:22 | PROTENKONTRAST | Ben Cristovao | |
| Ten Vibe | 02:20 | TEN VIBE | Ben Cristovao | |
| Ten Vibe | 02:20 | PROTENKONTRAST | Ben Cristovao | |
| To Neni Hra | 03:26 | To neni hra | Ektor | |
| To Neni Hra | 03:26 | Detektor III | Ektor | |
| Tohle Bude Bolet | 03:00 | PROTENKONTRAST | Ben Cristovao | |
| Umiram Sam | 02:23 | PROTENKONTRAST | Ben Cristovao | |
| Willow (S01E01) | 03:29 | Willow (S01E01) | Jakub Hrbek | |
| Zohan | 04:10 | PROTENKONTRAST | Ben Cristovao |