The hair, or glam, metal bands of the 1980s remain one of the true guilty pleasures in music history. The hair spray, makeup, and catchy pop tunes touched up with distortion were made for MTV.

Some of the vocalists on this list did not perfectly fit the glam metal mold ... well-placed grit and multi-octave range elevated pop-metal stompers like "Don't Treat Me Bad" and gave a sense ...