Pentatonix - Angels We Have Heard on High

What this video is

Released December 13, 2013, during Pentatonix's breakout year — the same period their Daft Punk medley went viral with 100 million views and their PTXmas Deluxe became the sixth highest-selling Christmas album of that holiday season. The video arrives at the precise cultural moment when a cappella was achieving mainstream pop legitimacy, accelerated by Pitch Perfect (2012) and Glee's ongoing broadcast run. As an…

Why it matters

Landmark document of the 2010s a cappella pop crossover movement. Pentatonix's arrangement — layering beatbox percussion, vocal bass, tenor, mezzo, and alto over a traditional carol — exemplifies their signature approach of treating the human voice as a full instrumental orchestra. The video's…