Even as a student, she regularly received invitations to play in concert series and festivals in different countries. In April 2009 she performed for the Dutch Royal Family in the annual Queen's Concert at Noordeinde Palace.
In 2006, Katja began playing with the Japanese period flute player, Reiko Tsuiki. Together they founded the ensemble DuoKaleidoscope which performs repertoire spanning more than four centuries from the Baroque period to the present day. In 2018, DuoKaleidoscope recorded and issued a CD with French Baroque Flute Duos, which enjoyed a very enthusiastic reception in the United States and in Japan, and was given a 9 by the music reviewer of the famous Dutch magazine Luister.
Since 2012, Katja has been a soloist of The Bach Choir and Orchestra of the Netherlands, and performs as a soloist at the Great Hall of the Concertgebouw, Amsterdam. Katja also plays together with the organist Anna Karpenko - they currently have a new CD in production.
Katja is also an active musicologist. She translated to Russian the significant historical treatise concerning flute playing and aesthetics of musical performance in 18th century Germany, “Versuch einer Anweisung die Flöte traversiere zu spielen” written by J. J. Quantz in 1752 – this was published by Early Music Publishing House in 2013 in St Petersburg. Katja gives masterclasses and lectures annually on the subject of historically informed performance and the history of the flute in particular.
Her latest initiative was a recording of her solo CD Voices of Nature, a deeply personal project that brings together original works for a range of historic flutes. The album traces a musical journey from the early Baroque period through the Romantic era and into modern sound worlds, highlighting the unique character and expressive possibilities of each instrument. By pairing compositions for modern flute with historically informed performance on authentic old instruments, Voices of Nature explores the evolving voice of the flute across centuries, revealing both its continuity and its transformation in dialogue with nature and time.
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