Complex sentence: This led the Dresden court to create the official position of church composer, which Zelenka would hold from 1734 and onwards, in the good company of his student Tobias Buz and, from November 1736, Johann Sebastian Bach.
Split into simpler sentences: This led the Dresden court to create the official position of a church composer, which Zelenka hold from 1734 onwards. He was put in the good company of his student Tobias Buz and from November 1736--of Johann Sebastian Bach.