Study cites creatures' 'tremendous' 7-octave vocal range that even surpasses Mariah Carey's, Prince's
(Newser) -
If you remain impressed (and you should) by the multioctave vocal range shown by Mariah Carey, Axl Rose, and the late Prince, there's a group of crooners that may awe you even more. A new study out of the University of Southern Denmark points to the "tremendous" vocal...