I'm not sure how obscure they are but hardly anyone I know knows these guys

The Wood Brothers:


This site is full of obscure American Bands:


I dig on Langhorne Slim too:


Maybe not as edgy as you would like but great, mostly unknown music and artists
If you have never checked out the Wood Brothers. Do yourself a favor and look them up. Best. Band. Ever.

Check out the video in the "Goat Rodeo Sessions" thread below this one. It's a pretty interesting classical/bluegrass set so I guess you could call it obscure
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