Simplify the following text for a Grade 10 native English-speaking person.
Original: William James `` Willie '' Dixon ( July 1 , 1915 -- January 29 , 1992 ) was an American blues musician , vocalist , songwriter , arranger and record producer .
Simplified: William James `` Willie '' Dixon ( July 1 , 1915 â `` January 29 , 1992 ) was an American blues musician , singer , songwriter and bass player .