The musical nerds at CDZA turned inwards to create a medley like no other. They traverse countless popular hits, and string them together into one performance by changing the key of the music at each node that is shared.

Disney classics, The Backstreet Boys, and more are all covered in the unique compilation

It’s one of those things you have to see, and hear, for yourself to understands, and already over a quarter million people have experienced the Epic Key Change.

It is further featured on LaughingSquid, BoingBoing, DigitalSpy, and CBSNews