http://www.gomusic.ru/
- 10 cents a song, but based in Russia. Use at your own discretion. Kinda sketchy looking, in my opinion.
http://www.allofmp3.com/
- 50 cents a song, a bit more reputable.
"Is it legal to download music from AllOFMP3.com?
The availability over the Internet of the ALLOFMP3.com materials is authorized by the license # LS-3М-05-03 of the Russian Multimedia and Internet Society (ROMS) and license # 006/3M-05 of the Rightholders Federation for Collective Copyright Management of Works Used Interactively (FAIR). In accordance to the licenses' terms MediaServices pays license fees for all materials downloaded from the site subject to the Law of the Russian Federation "On Copyright and Related Rights". All these materials are solely for personal use. Any further distribution, resale or broadcasting are prohibited.
The works available from ALLOFMP3.com are protected by the Law of the Russian Federation "On Copyright and Related Rights" and are for personal use of a buyer. Commercial use of such material is prohibited. Recording, copying, distribution on any media is possible only upon special consent of a Rightholder.
The user bears sole responsibility for any use and distribution of all materials received from AllOFMP3.com. This responsibility is dependent on the national legislation in each user's country of residence. The Administration of AllOFMP3.com does not possess information on the laws of each particular country and is not responsible for the actions of foreign users."
Basically, it's legal in Russia so they can host it - US laws haven't really covered it yet, so it's still a grey area.
And then there's my solution:
http://www.bitlord.com/ -- download all the illegal music you feel like downloading.