Irvine had a long association with Kaija, having performed her works for more than 30 years.
She was a composer who was able to bring contemporary music to a wider audience.
The Quartet would like to offer our condolences to Jean-Baptiste and their children, Aleksi and Aliisa.
(Photo: 23.7.92 in the Orangerie, Darmstadt after a performance of De La Terre for violin and electronics)