Kenny Chesney pays tribute to his late friend, Jimmy Buffett, by singing one of Buffett's songs on a beach in Key West, Florida. Chesney shares a video of himself singing "Margaritaville" with Buffett during a surprise performance. The two singers had a friendship and love for the ocean. Chesney previously covered Buffett's hit song "Trying to Reason with Hurricane Season" for his own album. Jimmy Buffett passed away on September 1 at the age of 76, surrounded by loved ones.