Quartet slows down "Don’t You Worry Child" by Swedish House Mafia. Watch Sons of Serendip turn an electronic dance song into a classical number, complete with a harp! » Get The America's Got Talent App: http://bit.ly/AGTAppDownload » Subscribe for More: http://bit.ly/AGTSub » Watch America's Got Talent Tuesdays & Wednesdays 8/7c on NBC! » Watch Full Episodes Free: http://bit.ly/AGTFullEpisodes AMERICA'S GOT TALENT ON SOCIAL: Like AGT: https://www.facebook.com/agt Follow AGT: https://twitter.com/agt AGT Tumblr: http://nbcagt.tumblr.com/ AGT Instagram: http://instagram.com/agt As part of NBC's summer shows in 2015, NBC's America's Got Talent follows Howard Stern, Heidi Klum, Mel B and Howie Mandel in their talent search, showcasing unique performers from across the country. Find America's Got Talent trailers, full episode highlights, previews, promos, clips, and digital exclusives here. NBC ON SOCIAL Like NBC: http://Facebook.com/NBC Follow NBC: http://Twitter.com/NBC NBC Tumblr: http://NBCtv.tumblr.com/ NBC Pinterest: http://Pinterest.com/NBCtv/ NBC Google+: https://plus.google.com/+NBC YouTube: http://www.youtube.com/nbc NBC Instagram: http://instagram.com/nbc ABOUT AMERICA'S GOT TALENT With the talent search open to acts of all ages, "America's Got Talent" has brought the variety format back to the forefront of American culture by showcasing unique performers from across the country. The series is a true celebration of the American spirit, featuring a colorful array of singers, dancers, comedians, contortionists, impressionists, jugglers, magicians, ventriloquists and hopeful stars, all vying for their chance to win America's hearts and the $1 million prize. Follow judges Simon Cowell, Heidi Klum, Mel B, Howie Mandel, and host Tyra Banks in their talent search! Sons of Serendip: Quartet Slows Down "Donʼt You Worry Child" Cover- America's Got Talent 2014 https://youtu.be/lazs4VbPnBI America's Got Talent http://www.youtube.com/user/americasgottalent