Check out record labels of bands/artists I've enjoyed
Reddit (there are a ton of great subreddits for even the nichest shit)
Recs from friends
Sharethreads, recs from /mu/
Boiler Room sets

>>60691908

look at that baby frusc

>>60691979
Oh and actual record stores ofc, always a lot more fun than searching online

>>60691928
what's what.cd and how can i enter it?

>>60692103
The most extensive private tracker on the internet in the highest quality
You have to do an interview or get invited

>>60692103
You need an invite from someone already on it

>>60692103
private torrent tracker

either get someone to invite you or do the interview process

Album review aggregators are where it's at.

http://www.albumoftheyear.org/discover/top-rated/
http://www.anydecentmusic.com/
http://www.metacritic.com/browse/albums/release-date/new-releases/metascore

Good:
Last.FM
Spotify
Youtube

Dogshit:
P4K
RYM
/mu/

For downloads What.CD is good for all your mainstream music needs but you'll have to google and use soulseek for anything underground.

I listen to the same old shit, and I still love it.