Flip through the slideshow for 20 of music's most unique voices. From rock icon Freddie Mercury to pop queen Miley Cyrus, these artists have a sound that is uniquely their own.

His haunting voice and deep, emotional lyrics ... These 35 UK male singers have shaped music history with their unique voices, styles, and contributions. From rock pioneers to pop sensations ...

There are over 30 rock and metal bands that ... their own reason for the decision to have multiple singers, whether it was because they all had damn good voices or simply wanted to implement ...