Now more than ever, says the organiser of the concert series "Bach am Sonntag", and offers music to marvel at - including the integral performance of all organ works by Johann Sebastian Bach (partly via livestream) by Andreas Jost, organist at the Grossmünster and organ lecturer at the ZHdK. According to Zurich's mayor Corine Mauch, the project follows a decades-long tradition of intensive cultivation of Bach's organ music at the Grossmünster.