Margaritaville’ singer Jimmy Buffett has passed away at age 76, according to a statement on the singer-songwriter's website. “Jimmy passed away peacefully on the night of September 1st surrounded by his family, friends, music and dogs,” according to Buffett’s official website on Friday. “He lived his life like a song till the very last breath and will be missed beyond measure by so many.” A cause of death has not been given. Last May, an unspecified illness caused Buffett to reschedule concerts and he noted he had been hospitalized, but provided no details as to his illness.