The Castellows

The Castellows went viral with a cover of "Peaceful Easy Feeling" by the Eagles. Watch the viral video. (Credit: Getty Images)

Country Music Stars Tease Emotional New Song With Viral Video: WATCH

David Hookstead

The Castellows (Credit: Getty Images)

Country Music Stars Win Halloween With Awesome Costumes: VIDEO

David Hookstead

The Castellows went viral with a cover of "Peaceful Easy Feeling" by the Eagles. Watch the viral video. (Credit: Getty Images)

Country Music Stars Go Viral With Incredible Cover Of Classic Song: WATCH

David Hookstead

The Castellows went viral with a cover of "Peaceful Easy Feeling" by the Eagles. Watch the viral video. (Credit: Getty Images)

Country Music Stars Go Viral With Incredible Cover Of Classic Song: WATCH

David Hookstead

The Castellows (Credit: Getty Images)

Country Music Star Goes Viral With Chilling Cover Of Classic Song: WATCH

David Hookstead

The Castellows released a video of the group singing "Sober Sundays" with Wyatt Flores at the Grand Ole Opry. Watch a video of the performance. (Credit: Getty Images)

Country Music Trio Goes Viral With Chilling Cover Performance

David Hookstead