This Wednesday, 12.15 CET, lunchtime concert at Zurich Central Library (ZB) by the Trio Fontane with works by Mel Bonis, Grety Liechti and Cécile Chaminade:
Mel Bonis (1858–1937) Soir/Matin op. 76
Grety Liechti (1904–1992)
Trio für Violine, Violoncello und Klavier (1930) ZB
Cécile Chaminade (1857–1944)
Trio pour piano, violon et violoncelle op. 11
Live Stream on Youtube (https://www.youtube.com/watch?v=vxyIfR1ZhAI).
Liechti: also called Grety Voellmy-Liechti, born 1904 in Fribourg, Switzerland.
The ZB means that the work by her is held (in manuscript) by the Zentralbibliothek Zurich. >Details in German (https://cmi.zb.uzh.ch/home/#/content/83eb6249095549a8978c7a5e85850950).
Sometimes also called CH-Zz ;)
Hope that doesn't bode ill for tomorrow's concert – it looks like someone nodding off... ;)
It's a siglum and stands for "Zürich Zentralbibliothek" (with CH for Switzerland), but I hear you. There are lists of library reference sigla used by RISM and other sites here and there...