Blažka Oberstar-Bistan je nižjo in srednjo glasbeno šolo zaključila v Ljubljani, nato pa študij nadaljevala na Akademiji za glasbo v Ljubljani pri prof. Fedji Ruplu ter na Univerzi za glasbo in upodabljajočo umetnost v Gradcu. Tam je študirala pri prof. Alföldy-Boruss, prof. Kalneinu (jazz flavta) in prof. Fluryju, kjer je magistrirala z odliko. Že v času šolanja je prejela več nagrad na državnih in mednarodnih tekmovanjih ter se izpopolnjevala na številnih mojstrskih tečajih.
Poleg delovanja kot flavtistka je Blažka Oberstar-Bistan dejavna tudi kot pevka. Kot spremljevalna pevka je med drugim sodelovala z Urošem Perićem, Big Bandom RTV Slovenija, Big Bandom RTS in Simfoničnim orkestrom RTV Slovenija.
Trenutno dela in ustvarja v Avstriji kot profesorica flavte in petja.
Blažka Oberstar-Bistan completed her primary and secondary music school in Ljubljana, then continued her studies at the Academy of Music in Ljubljana under Prof. Fedja Rupel and at the University of Music and Performing Arts in Graz. There she studied with Prof. Alföldy-Boruss, Prof. Kalnein (jazz flute) and Prof. Flury, where she graduated with a master’s degree with distinction.
Already during her studies, she received several awards at national and international competitions and improved her skills at numerous master classes.
In addition to her work as a flutist, Blažka Oberstar-Bistan is also active as a singer. As a backing singer, she has collaborated with, among others, Uroš Perić, the RTV Slovenia Big Band, the RTS Big Band and the RTV Slovenia Symphony Orchestra.
She currently works and creates in Austria as a flute and singing professor.