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.

“Hair metal” is not an actual genre. You know it, we know it and the myriad bands that got unfairly lumped into the category know it. That said, the pejorative phrase serves a purpose her ...