Feeling energetic, positive, or dark? Using the matrix on the Musicovery homepage, you can select your mood and hear music to match how you're feeling. Musicovery plays a song that is connected to bubbles containing other, similar songs. Listen to each song once or only for a few seconds. If you see another bubble that interests you, click on it. If you like the song you're listening to, each bubble has a link to the iTunes and Amazon music stores.