According to the Národních listy [The National Paper] newspaper (11.6.1916) the feast was started by the quarter of French horns performed by the students of the Prague Conservatory. On the courtyar...
a group of students by their musical performance
a part of the feast was also a theatre performance
a music orchestra surrounded by the visitors of the feast
one of the dance performances
the Čertovka stream (artificiant canal)