. . "6556" . "783.96 |c Spreekstem |d Speaking voice" . "781.47 |c Met begeleiding |d With accompaniment" . . "782.4 |c Wereldlijke vormen |d Secular forms" . "6556" . "6556 781.47 |c Met begeleiding |d With accompaniment 782.4 |c Wereldlijke vormen |d Secular forms 783.96 |c Spreekstem |d Speaking voice 783.964147" . . . "783.964147" .