NASHVILLE, Tennessee — Bobby Hebb, whose 1966 pop music classic "Sunny" described a sincere smile from a woman that lifted the singer's burdens, died Tuesday. He was 72.Family members and a funeral home spokeswoman said Hebb died at Centennial Medical Center. Friends said he had lung cancer."Sunny" also was recorded by many other artists, including Marvin Gaye, James Brown, Frank Sinatra, Stevie Wonder and the Boogie Pimps.The song's key lines:"Sunny, yesterday my life was filled with rain.
"Sunny, you smiled at me and really eased the pain.
"The dark days are gone and the bright days are here.
"My sunny one shines so sincere.
"Sunny one so true, I love you."Hebb had said in several interviews that he wrote "Sunny" in response to the slaying of his brother outside a Nashville nightclub and to the assassination of President John F. Kennedy a few days before.On his 69th birthday in 2007, he recalled that he was living and performing in New York City at the time he wrote the song."I was intoxicated," Hebb told The Associated Press. "I came home and started playing the guitar. I looked up and saw what looked like a purple sky. I started writing because I'd never seen that before."