| 30 | Spaces XII: Ana Kravanja, Viola Drum & Voice |
| 30 | Spaces XI: Samo Kutin, Harps |
| 25 | Spaces XIII: Iztok Koren, String instruments & Percussion |
| 6 | Spaces IX: Alja Petric, Idiophones & Voice |
| 6 | Spaces VIII: Rok Zalokar, Pipe organ |
| 5 | Spaces II: Žiga Golob, Double bass |
| 2 | Spaces 10: Boštjan Gombač, Woodwinds & More |
| 2 | Spaces VI: Henry Marić, Bass clarinet |
| 1 | Spaces VIII/2: Rok Zalokar, Pipe organ |
| 1 | Spaces VII: Andro Manzoni, Percussion |
| 1 | Spaces IV: Uroš Rakovec, Guitar |
| 1 | Spaces I: Oliver Ilievski, Accordion |