In the bastille of the city palace, the „Bach in Weimar“ experience site provides information about the years that the musician Johann Sebastian Bach spent in Weimar and his private life in a freely accessible presentation. Topics include Bach's extensive activities at the Weimar court, his rise from court organist to concertmaster, his turbulent life in a family with many children, his social contacts within Weimar and Bach's decision to leave for Köthen and the associated imprisonment in the Bastille.