First things first, keep it relevant and at least slightly mainstream so we can all appreciate the responses and maybe go back to a band we never fully got into but are familiar with. There already exists a great thread on unknown bands somewhere in this forum.
That being said, name a band or solo artist that you believe has gone largely unappreciated or didn't get their due time in the sun, so to speak.
My primary choice is Silver Chair. "Miss You Love", "Anna's Song", "Suicidal Dream", "Abuse Me" and "After all These Years" rank among some of the best songs of the 90's, imo and very few aside from abuse me so any real air play.
As a tangent, i strongly believe the band that will receive the most "posthumous" recognition (not in terms of their biological lives, but musical) will be Live. I truly think that they are to my generation what Pink Floyd was to my father's - a band that enjoys some mainstream success in "their time" but goes on to true iconic success only two or so decades after the fact, when it is shown that their music endures. I don't think it'll be to teh same level as Floyd, but it'll happen to some degree.
Now, I see you're on tonight Red, so have at it...this is right up your alley.