Almost everyone has seen the video the evolution of dance, now make way for the Evolution of music. This would be a  huge task indeed, considering how many songs their are to choose from.

Introducing an acapella group that goes by the name Pentatonix or PTX for short. I must admit that ever since I saw the movie pitch perfect I have been fascinated by acapella songs and this one is really cool. What a huge span of time to cover and of course the volume of songs.

Sit back relax and feel free to sing a long if you wish.


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