A capella group Pentatonix performs the classic Simon & Garfunkel song "Sound of Silence".
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If you love the musical group Pentatonix then I think you’re going to enjoy their performance of “Sound of Silence”. This is one of those music videos that I could listen to over and over as their vocals are just so amazing. If you enjoyed this music video you might also like to hear this Sound Of Silence Flashmob.