[Guide] Play music through the internet with good quality
Link: http://listen.grooveshark.com

Description:
At present, Grooveshark is the most inclusive and fully-featured on-demand music service on the Web. With an unmatched catalog, millions of users flock to the site to listen to their favorite artists as well as discover music and share tracks with friends. Listening to any song instantly, creating playlists to return to later, and quick access to a one's Favorite songs are ever the fundamentals of Grooveshark's offering.

Grooveshark also includes song downloads from MP3 store affiliates, and ringtones from Thumbplay, ensuring that users can take their favorite music with them wherever they go in whatever preferred format and rights holders get paid.

Any track or playlist on Grooveshark, whether uploaded by a user, discovered via Radio, or simply searched for is easily shared across the most popular social networks. Users can post songs to Twitter, Facebook, StumbleUpon, export as a widget to post to blogs, MySpace, and other sites, or email a link directly to friends.
Link: http://prostopleer.com

Description:
Prostopleer is another great way to listen and discover new music through the internet.
The website is russian but it has alot off different songs from different countries.






Link: http://tagoo.ru/en

Description:
Tagoo is another great website for listening music. Although they require you the signup





I think these website's are great. It's so easy if you're looking for a song. And it's way better than YouTube quality.

thanks !