"1568" . . . . "1568 781.47 |c Met begeleiding |d With accompaniment 782.4 |c Wereldlijke vormen |d Secular forms 783.89 |c Bas (stem) |d Bass voice 783.894147" . "783.89 |c Bas (stem) |d Bass voice" . "781.47 |c Met begeleiding |d With accompaniment" . "783.894147" . . . "1568" . "782.4 |c Wereldlijke vormen |d Secular forms" .