Have a certain song or artist you like? Do you wish you could find more songs like that artist or song that you like? Try Pandora!
Go to Pandora and it'll ask you for your favorite artist or song. They will search the millions of songs and artists. Not only will Pandora find your artist or song, but it will also tell you what kind of music it is that you like, and seeks to find more music like it and constantly plays a stream of high quality music.
You can tell it, "nah, I don't like that song" and Pandora will not play that song again, and can narrow down the exact type of music you like. Really cool concept. Check it out!