Margot Kalse studied Dutch, and specialized in Renaissance Literature at Leiden University. She then studied solo singing at the Royal Conservatoire of The Hague; and she specialized in the performance practices and techniques of early vocal music at the Fontys Conservatory Tilburg, the Netherlands, where she received the diploma for Performing Musician in 1998. She followed Master classes with Diane Forlano, Max van Egmond and Emma Kirkby, among others. She taught for seven years at the Early Vocal Music programme of the Fontys Conservatory Tilburg.
Elly van Munster first studied classical guitar with Stanley Noordpool at the Fontys Conservatory Tilburg. Then she received a Master's degree in Spanish at the Utrecht University. Finally she returned to music and in 1994 she took the state lute exam. She regularly appears as a soloist and as accompanist for singers and instrumentalists and as continuo player in ensembles. She played in a many baroque operas in the Netherlands and in France, always with conductor Frédérique Chauvet (Barokopera Amsterdam).
Together with mezzo-soprano Margot Kalse she forms ‘Duo Seraphim', with recorder player Alice Gort-Switynk the ensemble ‘Rossignol' and with soprano Hilde Van Ruymbeke ‘Duo Rosemont'. She is a member of the ensemble ‘Fortuna' which specializes in 14th century Medieval repertoire. In this ensemble she plays the plectrum lute. In June 2002, together with soprano Sinje Kiel she won the First Prize and the Public Award at the Competition for Early Music ensembles in Berlin, ‘Alte Musik-Treff Berlin'.