To celebrate Heather's 50th birthday, a female rocker in her own right, The Music List takes on a topic near and dear to her heart- the best of the best female rock vocalists. And since Heather was born in 1974, we thought we would just decide to make it the best vocalists of her lifetime. Rock and roll has changed and evolved since the mid-70s, but what hasn't changed is that women with incredible chops have been front and center in the world of rock. But who are the best? The Music List Podcast hammers that out in this special birthday episode!