ftp://ftp.scene.org/pub/music/groups/earlabs/lc016/

Produced in the Experimental Studio Of the Slovak Radio during the totalitarian regime by composers who had to fight the denouncement of their music. And still they continued producing these works.
http://www.earlabs.org/label/lc/lc016.asp

Jozef Malovec - Orthogenesis (1967)
Peter Kolman - E15 (1974)
Miro Bazlik - Simple Electronic Symphony (1975)
Ivan Parik - Music for Vernissage II (1970) 10:56
Roman Berger - Epitaph for Nicolaus Copernicus (1973)