Answer the following question: Information: - Johann Sebastian Bach (28 July 1750) was a German composer and musician of the Baroque period. He enriched established German styles through his skill in counterpoint, harmonic and motivic organisation, and the adaptation of rhythms, forms, and textures from abroad, particularly from Italy and France. Bach's compositions include the "Brandenburg Concertos", the "Goldberg Variations", the Mass in B minor, two Passions, and over three hundred cantatas of which around two hundred survive. His music is revered for its technical command, artistic beauty, and intellectual depth. - The Goldberg Variations, BWV988, is a work written for harpsichord by Johann Sebastian Bach, consisting of an aria and a set of 30 variations. First published in 1741, the work is considered to be one of the most important examples of variation form. The "Variations" are named after Johann Gottlieb Goldberg, who may have been the first performer. - Johann Ambrosius Bach ( 22 February 1645 -- 2 March 1695 ( O.S. 20 February ) ) was a German musician , father to Johann Sebastian Bach . The son of Christoph Bach ( 1613 -- 1661 ) , Ambrosius was born in Erfurt , Germany , as the twin brother of Johann Christoph Bach ( 1645 -- 1693 ) . Ambrosius was employed as a violinist in Erfurt . In 1671 , he moved his family to Eisenach , in present - day Thuringia , where he was employed as a court trumpeter and director of the town musicians . He married his first wife Maria Elisabeth Lammerhirt on 1 April 1668 , and had eight children by her , four of whom became musicians , including Johann Sebastian . She was buried on 3 May 1694 . On 27 November 1694 he married Barbara Margaretha , nee Keul ( she had already been twice widowed ) . He died in Eisenach less than three months later . After Johann Ambrosius Bach 's death , his two children , Johann Jacob Bach and Johann Sebastian Bach , moved in with his eldest son , Johann Christoph Bach . What is the relationship between 'johann ambrosius bach' and 'composer'?
Answer:
occupation