Portal:Jazz/Did you know/20

June 2009
 * ... 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?