Some background info on György Kurtág in [1] and [2].<p>[1] <a href="https://www.ecmrecords.com/artists/1435046760/gyorgy-kurtag" rel="nofollow">https://www.ecmrecords.com/artists/1435046760/gyorgy-kurtag</a><p>[2] <a href="https://en.wikipedia.org/wiki/Gy%C3%B6rgy_Kurt%C3%A1g" rel="nofollow">https://en.wikipedia.org/wiki/Gy%C3%B6rgy_Kurt%C3%A1g</a>