Žera spent two years under the Serbian siege of Sarajevo doing humanitarian work and charity concerts along with singers Kemal Monteno, Mladen Vojičić Tifa and Zlatan Fazlić-Fazla.
Žera spent two years under siege in Sarajevo while working for humanitarian causes and performing with artists like Kemal Monteno, Mladen Vojičić Tifa, and Zlatan Fazlić-Fazla.