"390718" . "Helas! tant ay dolour, stemmen (2)" . "390718" . "164707" . . . "MACHAUT, GUILLAUME DE |f [componist]" . "164707 390718 74944 Helas! tant ay dolour, stemmen (2) MACHAULT MACHAUT, GUILLAUME DE |f [componist]" . "74944" . "Helas! tant ay dolour, stemmen (2)" . . . .