During X JAPAN's prime-time, the term "Visual Kei" was not even an issue yet. They co-existed with formations in hair-and glam metal, or speed-and thrash metal. X JAPAN was a concoction of all with all of their records having a different sound, and during the 80's there was a relatively large portion of bands who did indeed fit this bill as well. Think W.A.S.P., certain Mötley Crüe records, Lizzy Borden, Skid Row's "Slave To The Grind", WRATHCHILD, you name it. These were "hair band" formations with a metal sound, and just like Visual Kei, the term "hair metal" came in a wide range as it merely pointed out the visuals. Now, they weren't Testament or Exodus, but you get the big picture. If you really desire to step into the bubbly side of glam, go and try Queeny Blast Pop, Peppermint Creeps or Stars From Mars to name a beginning — it's an exaggerated fissure between the genres, but I think in this case it's easier to distinguish.