Simplify the following text for a Grade 6 native English-speaking person.
Original: Philip Paul Bliss ( 9 July 1838 â `` 29 December 1876 ) was an American composer , conductor , bass-baritone writer of hymns and a Gospel singer .
Simplified: Philip Paul Bliss ( 9 July 1838 â `` 29 December 1876 ) was an American writer of hymns . He was also a Gospel music singer .