APNews Bill Withers, who wrote and sang a string of soulful songs in the 1970s that have stood the test of time, including “ Lean On Me, ” “Lovely Day” and “Ain’t No Sunshine,” has died from heart complications, his family said in a statement to The Associated Press. He was 81. The three-time Grammy Award winner, who withdrew from making music in the mid-1980s, died on Monday in Los Angeles, the statement said. His death comes as the public has drawn inspiration from his music during…