I know this sort of topic has been done before, but I wanted to bring it up again to see if there were any interesting choices from people who haven't already been asked this before, or who have, and have discovered new obscure musicians since.
Anyway, to answer my own question, there are two that immediately come to mind for me, and the only reason I would them consider obscure is because they've never been chart-toppers (at least, as far as I know). The first is Godspeed You! Black Emperor, who do half-hour long, simple, dark instrumental pieces, like these:
The other are a band that I discovered more recently, Portugal. The Man, who are perhaps a little more "mainstream" in their style, with the music of their's that I've listened to mostly having a radio rock style, although the lyrics of some of their songs aren't quite so "mainstream":
Anyway, to answer my own question, there are two that immediately come to mind for me, and the only reason I would them consider obscure is because they've never been chart-toppers (at least, as far as I know). The first is Godspeed You! Black Emperor, who do half-hour long, simple, dark instrumental pieces, like these:
The other are a band that I discovered more recently, Portugal. The Man, who are perhaps a little more "mainstream" in their style, with the music of their's that I've listened to mostly having a radio rock style, although the lyrics of some of their songs aren't quite so "mainstream":