Jonas was born in
Brühl, near Cologne. Following her studies at the
Hochschule für Musik und Tanz Köln she went to Venezuela where she founded a music school. After her return to Europe she was trained by
Jessica Cash in London and by
René Jacobs at the
Schola Cantorum Basiliensis in Basel, Switzerland. Jonas specialized in early, contemporary and improvised music. She was a sought-after concert-soloist and made European tours and went to Australia working with renowned conductors. In 2000, she performed at
Carnegie Hall, and in Philip Glass's opera
White Raven. Jonas founded the ensemble Ars Choralis Coeln in 2004. Jonas was a singing teacher at the
University of Music and Theatre Leipzig and at the
Folkwang University of the Arts in Essen from 1999. She was also a guest lecturer at several conservatories, including the
Fontys School of Fine and Performing Arts in Tilburg, the Netherlands. Jonas died on 23 December 2024. ==References==