![](http://upload.luquay.com/wikipedia/commons/thumb/7/78/Emblem_of_the_Communist_Party_of_Czechoslovakia.svg/80px-Emblem_of_the_Communist_Party_of_Czechoslovakia.svg.png)
- ... that the jazz singer Eva Olmerová was persecuted by the State Security service of the Czechoslovak communist regime? (Communist Party of Czechoslovakia emblem pictured)
- ... that Centipede were an English jazz/progressive rock band with more than 50 members?
- ... that the Feminist Improvising Group challenged the male-dominated musical improvisation scene in the late 1970s?
June 2009