Vertaling: Kleur Cover. Praktiese sangskool, Op.474. Sopraan of Tenor. Tellings.
Vertaling: Praktiese Singing Tutor vir alle stemme - Deel I. Praktiese sangskool, Op.474. Bariton of bas. Tellings.
Vertaling: Praktiese Singing Tutor vir alle stemme. Praktiese sangskool, Op.474. Sopraan of Tenor. Tellings.
Vertaling: Volledige telling. Praktiese sangskool, Op.474. Mezzo-sopraan of Alto. Tellings.
Vertaling: Volledige telling. Praktiese sangskool, Op.474. Sopraan of Tenor. Tellings.
Vertaling: Praktiese Singing Tutor vir alle stemme. Praktiese sangskool, Op.474. Mezzo-sopraan of Alto. Tellings.
Vertaling: Praktiese Singing Tutor vir alle stemme. Praktiese sangskool, Op.474. Bariton of bas. Tellings.