Simplify the following text for a Grade 10 native English-speaking person.
Original: Loudon Snowden Wainwright III ( born September 5 , 1946 ) is a Grammy Award-winning , American songwriter , folk singer , humorist , and actor .
Simplified: Loudon Wainwright III ( born September 5 , 1946 , Chapel Hill , North Carolina ) is an American singer .