Potion of Voxan

Also called Singer's Joy

Reagents:
Moonflower stems, sand, desert hawk blood, liquefied ingencium, powdered Drover skull, Charred and burned Calex throat

Frequency:
Extremely rare

Cost:
Very expensive

Effects:
The person who drinks this potion will find themselves able to sing beautifully. Their voice will charm anyone who hears it. However, they will be unable to talk normally while under the effects of this potion. It lasts twenty-four hours.

Defenses:
They can plug their ears?

Flaws:
If made incorrectly, there is a chance that the effects may become permanent