
1. EVOLUTION OF BIEBER | BLACKOUT NYC A Cappella
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13 of the best songs by the most controversial hearthrob.... This insanely talented NYC a cappella group puts a new spin on old Bieber classics. #MakeAmericaBeliebeAgain Like them on Facebook!

me likey.......
2. Evolution of Girl Groups | One Woman A Cappella
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This one woman show packs a punch! Divas from every age will appreciate this girl power aca-evolution medley. YASSS KWEEN.
3. Bond Song Evolution | MAYBEBOP
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The names Bond…. James Bond. The group Maybebop immortalized the iconic theme songs of the most famous secret agent. I hope you like your music shaken not stirred (sorry).

4. Sia Medley | Backtrack
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The NYC based a cappella group could give Sia AND Pentatonix a run for their money. I wonder if they have a 6th spot for me…… Like them on Facebook!

5. Evolution of Music | Pentatonix
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Finally to top it all off, the video that started this "Evolution of" craze! Pentatonix's awesome cover of the evolution of music through the decades. Like them on Facebook!
