The very early 90s were actually, in retrospect, a really interesting era for metal. With the underground rise of alt-metal bands like Jane's Addiction, the hair bands that had dominated the 80s were actually being slowly chipped away at even before Nirvana, Pearl Jam, Soundgarden and Alice in Chains thundered onto the scene like the meteor that killed off the dinosaurs in one shot.
There were a lot of acts incorporating funk, soul, even Beatles-esque harmonies into what was traditionally a pretty straightforward game.
One listen to these guys and you realized immediately that there was no surprise they were associated with the brilliant King's X. From '91, here's Galactic Cowboys -- I'm Not Amused.