The dark art of Shazam

It's a normal Wednesday morning as you head to your local coffee house for a breakfast pick me up and as you reach for your wallet you hear that amazing new song you love but can't remember the name. How do you stop your mind from spinning trying to remember?  Shazam!!!  The answer to this painful customer experience is found in a mobile application where you can "Shazam" that tune and instantly end your miserly of searching your brain cells for the answer. The app essentially has one key button to begin recording a snippet of the music up to ten seconds in length and upon discovering the origins of your unknown track responds with the answer. This witchcraft of technology can accept any section of music and send you the result in seconds for free!  How does this magic work in the background of the web?  Shazam have built a database of music with unique signatures for every one so it can instantly match your song choice and respond with the answer. This clever data matching ends one of life's miseries of not being able to remember a track title all with the power of the internet. Epic.