Question: Who is an American musician, Peter Chelsom or Billy Bob Thornton?
Related documents: [0]  [DOC] William Robert "Billy Bob" Thornton (born August 4, 1955) is an American actor, filmmaker, singer, songwriter, and musician. [END] 
[1]  [DOC] Peter Chelsom (born 20 April 1956) is a British film director, writer, and actor. He has directed such films as "Hector and the Search for Happiness", "Serendipity", and "Shall We Dance?" Peter Chelsom is a member of the British Academy, the American Academy, The Directors Guild Of America, and The Writers Guild Of America. [END] 
Answer: 
"Billy Bob" Thornton
"Billy Bob" Thornton