Vertaling: Engraving lêers. Posch, Isak. Reëlings en Transkripsies.
Vertaling: Posch, Isak. Reëlings en Transkripsies.
Vertaling: Basuin 1-2. Posch, Isak. Reëlings en Transkripsies.
Vertaling: Tromboon en Bastrombone. Posch, Isak. Reëlings en Transkripsies.
Vertaling: Volledige telling. Posch, Isak. Reëlings en Transkripsies.
Vertaling: Koor 2 telling. Posch, Isak. Tenoor. C3 sleutel. Tellings.
Vertaling: Volledige telling. Posch, Isak. Tellings.
Vertaling: Chorus 1 telling. Posch, Isak. Tenoor. C3 sleutel. Tellings.
Vertaling: Koor 2 telling. Posch, Isak. Tenoor. G2 sleutel. Tellings.
Vertaling: Chorus 1 telling. Posch, Isak. Tenoor. G2 sleutel. Tellings.
Vertaling: Engraving lêers. Posch, Isak. Tellings.
Vertaling: Volledige telling. Posch, Isak. Intrada Ek, MT 19. Reëlings en Transkripsies.