In the series "Meetings with composers": KOCHA or KOHA? - a tour of the new, virtual catalog of the unique collections of the ZKP Library; WHERE does MUSIC come from? - Małgorzata Kołcz will talk to Jarosław Siwiński about his work. We will combine the conversation with audio/video presentations some refreshments and a very friendly atmosphere! We invite you to the Warsaw headquarters of the Polish Composers' Union (Rynek Starego Miasta 27) on July 19, 2024 at 5 p.m.

The patron of the project is the ZAiKS Authors' Association.

The event's partner is the Polish Society for Contemporary Music.

The construction of an online catalog of the collections of the ZKP Scientific Library in the years 2022–2024 was co-financed by the Minister of Education and Science as part of the "Social responsibility of science - Support for scientific libraries" program. Project title: "Making the catalog of musical works of the scientific library of the Polish Composers' Union available on the Internet."