Samuel Capricornus (1628 – 1665) was born in Žerčice at Mladá Boleslav (East Bohemia). He was one of the few Czech composers in the 17th century who were a major influence on European contemporaneous music culture.
In 1776, a notable series of musical activities took place in the Elisabethan convent in Prague. These activities were initiated by one occasion: the 50th anniversary of Maria Deodata, the convent’s mother superior. Maria Deodata apparently had a very positive relationship to music, considering that under her direction, both convent organs were funded and built, and the large number of music compositions dedicated to her. On November 24 1776, a musical “Operetto” was performed in honor of the mother superior, most probably written by Maria Juliana (1719-c.1800), the convent’s “Chor-Regentin”.