Music blogs all the way. All the music blogs I follow provide daily DL links on rad music. If you're into electro, indie, dubstep, electropop, nu-disco, etc., then hype machine is perfect because it organizes all the music blogs into one spot.
Torrents work too if you want a whole album.
And if you want a specific song, google the song name followed by mediafire, and it'll almost always work.
Skiing's rad, hating's bad.