They can be worthwhile asking on the forum in the event the members possess spare tickets for the concert you would like to to show up at.
Can always recommended to book the tickets prior on the show companion. https://www.Trestonline.cz/aktuality/poslanci-ustavne-pravniho-vyboru-poslanecke-snemovny-parlamentu-cr-navstivili-ve-stredu-8-zari-nejvyssi-soud/