FLOOR JANSEN, THE MOST POWERFUL FEMALE VOICE IN THE WORLD

Floor Jansen, the singer of the band Nightwish, is considered the female singer with the most powerful voice, she has a great vocal range too (4 octaves vocal range, Eb2-F6 are the lowest and highest recorded notes in her concerts), but she could probabily get lower notes than a Eb2 Happy birthday Floor Poll here: