Website that groups artists based on genre?

[guitarplaya18]

Anyone know of any good sites that group similar artists based on genre together? Maybe is some sort of web or something. I'm trying to sort all my music into playlists by genre and it's not that easy of a task...ha

 

[OneDaySky]

http://www.mp3boo.com/genre/post-hardcore

Maybe looking through this will help