Johann Christoph Bach (1642–1703) was a German composer and organist, part of the esteemed Bach family. He was born in Arnstadt and was the cousin of the more famous Johann Sebastian Bach. Johann Christoph is primarily associated with the genres of Baroque music and sacred choral works. Notable works include his cantatas, such as "Der Herr ist mein Licht," and various organ compositions, which exemplify the intricate polyphony characteristic of the period. His music often reflects the stylistic influences of German and Italian composers, showcasing a blend of counterpoint and expressive melodies. While Johann Christoph Bach did not achieve the same level of recognition as his cousin, his contributions were significant in the development of the German Baroque style. He played a crucial role in the musical education of Johann Sebastian Bach, particularly through the exposure to organ techniques and compositional styles. His works and teachings helped to lay the groundwork for the profound musical innovations of later generations, solidifying his place in the history of Western classical music.