EarTrumpet - Volume Control for Windows
BeatSense - Discover great music hand-picked by real people, in a single click. FREE and in real-time!
Sound Control - App-specific volume control
20v - Create a custom music channel based on a single song
Power mixer - Power Mixer is a complete Windows volume control replacement.
Pandora - Pandora Radio is a free (ad-supported) internet radio founded in 2000.