1.  Obscure Sound
This is a fantastic and well-written blog about the indie music scene.  They regularly post MP3’s and album reviews.  Subscribe.  Read.  Be Cool.
2.  Indie Music Sampler
The site is updated each week with a new 30-minute podcast sampler of indie music.
3.  Indie Rock Cafe
A meaty blog with lots of content.
4.  Indie Music Charts
Top 100 [...]

WikiHow.com has this hilarious article on How to Be Indie.
I’m trying to figure out if this is a real article or tongue-in-cheek. Although a lot of what is written here is true, such as…
Explore different genres and find your musical niche! Don’t limit yourself to what everyone else is listening to. Mainstream radio stations [...]