"6860" . . "783.1266 |c Sopranen - duetten |d Sopranos - duets" . "782.42 |c Liederen |d Songs" . . . "6860" . "6860 781.47 |c Met begeleiding |d With accompaniment 782.42 |c Liederen |d Songs 783.1266 |c Sopranen - duetten |d Sopranos - duets 783.126642147" . . "783.126642147" . "781.47 |c Met begeleiding |d With accompaniment" . .