Pandora is a web based radio program, but not just any radio program. Pandora allows you to customize each station you create and listen to. When you login, you are asked to enter a favorite artist or song. After comparing that song or artist with their database a channel is created with music similar to the one you entered. If the song they play is a song you don’t like, simply tell them and they will never play in again on your station. I am actaully pretty suprised at the music they have, at this very moment I am listening to Architecture in Helsinki after creating my own “Lali Puna” station. Cool place to find and hear new music.