https://data.muziekschatten.nl/som/d783123235147 an entity of type: Concept
783.123235147
4812
783.12 |c Duetten (verschillende zangstemmen) |d Duets (different singing voices)
781.47 |c Met begeleiding |d With accompaniment
782.3235 |c Missen - proprium |d Masses - proper
4812
4812 781.47 |c Met begeleiding |d With accompaniment 782.3235 |c Missen - proprium |d Masses - proper 783.12 |c Duetten (verschillende zangstemmen) |d Duets (different singing voices) 783.123235147