Bach was greatly influenced by a local organist named George Böhm. In 1703, he landed his first job as a musician at the court of Duke Johann Ernst in Weimar. There he was a jack-of-all-trades, serving as a violinist and at times, filling in for the official organist.
Johann Bach got his music education at st. Micheal school
Some of Bach’s influencers were: Antonio Vivaldi, Dietrich Buxtehude, Johann Kaspar Kerll, and Johann Pachelbel
Bach's compositions include hundreds of cantatas, both sacred and secular. He composed Latin church music, Passions, oratorios, and motets. He often adopted Lutheran hymns, not only in his larger vocal works, but for instance also in his four-part chorales and his sacred songs.
Bach was particularly attracted to the Italian style, in which one or more solo instruments ... After this, in 1725, Bach "lost interest" in working even for festal services at the Paulinerkirche and appeared there only on "special occasions".