Carl Philipp Emanuel Bach ( 8 March 1714 -- 14 December 1788 ) was a German Classical period musician and composer , the fifth child and second ( surviving ) son of Johann Sebastian Bach and Maria Barbara Bach .
Carl Philipp Emanuel Bach ( 8 March 1714 -- 14 December 1788 ) was a German musician and composer . He was the second of the five sons of Johann Sebastian Bach and Maria Barbara Bach .