As head of the musicians of the ducal court, aside from overseeing the boy singers, he had under his charge organists and composers of great stature, including the English Peter Philips and John Bull (then organist at the cathedral of Antwerp), and the Flemish Peeter Cornet and Philippe van der Meulen.
cornet | Cornet | Peeter Vähi | Cornet (military rank) | Peeter Cornet | Peeter All | cornet (military rank) | Alizé Cornet | Severin Cornet | Franklin Silver Cornet Band | Castle Cornet |
Over the years, CEKM presented the music of less known composers such as Johann Ulrich Steigleder, Bernardo Storace, Peeter Cornet, and others, and also included modern editions of various important manuscripts such as the 16th century Jan z Lublina tablature.