Musictonic.Com is a cool web service that lets you find out music videos from multiple sources based on what you are looking for, music videos from your favorite artists, bands and genres. It provides you a quick, user-friendly layout with very minimal advertising.
All you have to do is visit Musictonic.Com and type the name of your favorite musician or band and it quickly directs you to a playing video of that particular artist, band or genre with a list of other from same category.
Also you can Message the video to your Facebook friends, Tweet and share buttons on social media website from the same page.
Even you can type a random query or subject and what kind of music video exists ;-)