Nicole Atkins
Mika
I think Warren Zevon deserves more credit than he gets also.
Who are your under-appreciated artists?
Any band I like that isnโt super-popular!
Irma Thomas.
WordMan, Le Ministre, An Arky, Ogre, Crotalus. And me. 
Darryl Trucks is pretty okay as well.
Everyone mentioned in this thread.
Hmm, how long have you got?
Iโd best just stick to a few examples (maybe not mega-superstar potential, and not unheard of - but definitely under appreciated), Martha Wainwright, Blitzen Trapper, the New Young Pony Club, Jonathan Richman and The Kinfe; to name a handful out of a countless number.
Chris [Smither[/url
[url=http://www.youtube.com/watch?v=irOmUnfcXwU]Dave](http://www.youtube.com/watch?v=EzLa8nI3nDg) Alvin
Haha, thanks!
Iโd settle for cult status rising to the level of justifying (somebody elseโs) expenditure for next recording session.
I think Wilco has been cited after just about every album release as being on the brink of superstardom. 
MODERATOR NOTE:
There were two threads with exactly the same OP. I have merged them together.
These folks have had a fair bit of โ deserving! โ fame in the UK, I think partially hyped up due to the fact that one of them is dating a member of Klaxons. But I would like to see them getting more attention over here.
(How confusing is it that there is a Captain Amazing, a Captain Awesome, and a Captain Carrot?)
My list:
Cold War Kids
Spoon
Elliot Smith
Mystery Jets
Is he any relation to Derek Trucks?
Not really but if they make it big I will be able to stop helping my son with his rent.
Second Dave Alvin!
Double 
So manyโฆ
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Social Distortion - they rock as hard and consistently as AC/DC and some of their songs have great lyrics and hooks.
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**Television **- why Marquee Moon isnโt held up as commonly and played as frequently as the Talking Headsโ material is beyond me.
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Big Star - power pop at its finest. The double CD #1 Record/Radio City is a must-own, if only for Mod Lang, Back of a Car, Sheโs a Mover and September Gurls. These guys are like, the secret code that insider song-writers and popsters listen to
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The Replacements - โฆlike these guys, who were huge Big Star fans (witness the song Alex Chilton, about the lead singer ofโฆ). Once they moved off punk to their Americana Punk stuff - I will Dare, Answering Machine, Here Comes a Regular, Unsatisfied - you had, I dunno, perhaps the Paul Simon of his day with a snottier attitude, ruder guitars and a band drinking problemโฆ
Plenty moreโฆ
Oops. Umโฆ yes! His cojoined twin! :o
Me!
Donโt you go makinโ up rumors about my husband.
Iโm actually kind of glad heโs not (yet) a mega-superstar โ it means that I can see him once a year in one or another small, local venue for about $40 โ which is astonishing yet delightful.
Heck, Iโd settle for somebody to carry my amp.