Billionaire Warren Buffett and superstar Jon Bon Jovi sing together to celebrate the Forbes 400 Summit on Philanthropy. Subscribe to FORBES: www.youtube.com/channel/UCmh7afBz-uWwOSSNTqUBAhg?sub_confirmation=1 Check out our full video catalog: youtube.com/user/forbes/ For more FORBES content: forbes.com Follow FORBES on Twitter: twitter.com/forbes Like FORBES on Facebook: fb.com/forbes