There’s a Reason This A Cappella Cover of ‘Mary, Did You Know?’ Has Gone Mega Viral: 'I Got Goosebumps\

You are in for a treat.

Pentatonix, an a cappella music group consisting of five members, published a cover of “Mary, Did You Know?” on Nov. 11 to rave reviews on the Internet.

"It's amazing," wrote one individual. "I got goosebumps with those big notes."

[sharequote align="center"]"This is unbelievable. Incredible and breathtaking."[/sharequote]

"This is unbelievable. Incredible and breathtaking," echoed another. "Well done."

"[T]his literally brought me to tears," wrote one more person.

Since uploading the music video to YouTube, the song has enjoyed more than 4.5 million views. You can download the group’s Christmas album on iTunes.

Watch the Music Video:

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