Task: Text Simplification
Input (English): jeanne marie-madeleine demessieux -lrb- february 13 , 1921 november 11 , 1968 -rrb- , was a french organist , pianist , composer , and pedagogue.
Output (English): jeanne marie-madeleine demessieux lived from february 13 , 1921 until november 11 , 1968 and was a french organist , pianist , composer and teacher.