Having an enchanting voice can make you millions, nowadays, not so in the Middle Ages. The best you could hope for was to become a minstrel, or a singer at a noble court. However, there were men who exploited their gift for a personal goal...
Lord Halewyn sang his chant so well
Whoever heard it came under a spell
By the magic of his voice Halewyn lured spellbound maidens to his lair in the greenwood, where he raped and killed them, until one of them outfoxed him. The story dates from ancient times and was told all over Europe in widely different versions. Around 1400, some Flemish bard composed a ballad on Halewyn's undoing you can now read here in English by clicking the pic.