: The video emphasizes that no instruments were used; every sound—from the haunting bass lines to the intricate percussion—is produced solely by their five voices.
Musician Reacts to | Pentatonix - Mary, Did You Know? (Official Video) - YouTube. This content isn't available. YouTube·The Mr. J Show pentatonix_mary_did_you_know_official_video
Mary did you know that your baby boy would one day walk on watery. did you know. YouTube·PentatonixVEVO : The video emphasizes that no instruments were