Some other high points were the Omi cover of “Cheerleader,” and Simon and Garfunkel’s “Sound of Silence.” That being said ... That was a great lead-in for Pentatonix’s beautifully rendered performance ...

But the group has also performed covers of popular non-Christian songs, such as Simon & Garfunkel's "The Sound of Silence." Furthermore, the clip of Pentatonix performing the national anthem in ...