Karen Duelund Guastavino is a Danish saxophonist, vocalist and composer, trained at the Royal Danish Academy of Music and the Royal College of Music in Stockholm. Under the stage name Mademoiselle Karen she has released multilingual albums and performed across Denmark, Poland, Sweden and Germany since 2009, singing in French, Polish, English and Danish. She works across art forms - composing for theatre, dance and film - and in May 2023 appeared as a soloist with the Danish National Symphony Orchestra and the DR Big Band in the concert production 'The Babylon Hotel' at DR Koncerthuset.
Mademoiselle Karen performed as a soloist with the DR Symphony Orchestra and DR Big Band in the concert production 'The Babylon Hotel' at DR Concert Hall, which was subsequently streamed on DR2 and P2.
Mademoiselle Karen Duo performed at Øregaard Museum's outdoor Mirror Stage in Hellerup as part of the museum's summer 2024 season program.
Karen Duelund Guastavino participated as composer, musician and vocalist in the performance 'ASTA' by Det Flydende Teater/Teatergrad, which toured Denmark from June to October.
Mademoiselle Karen participated in the Bergen Festival at Grieghallen as part of Selene Muñoz's project 7SENSES.
During the lockdown, Mademoiselle Karen released the single 'Je Suis Rentrée à la Maison', and a third album with songs about home is in production.
A poetry concert based on Shekufe Tadayoni Heiberg's complete works, combining her poems with music and paper art.
A narrative concert for children blending storytelling and classical music, where two tailor rabbits guide us through a magical journey across the sky with works by Chopin and Arvo Pärt.