Brückner was born in 1979 in Görlitz. From 2002 to 2009 she studied jazz singing and composition at the “Franz Liszt” Academy of Music in Weimar and at the Lucerne Jazz School. In 2002 she received the Leipzig Jazz Junior Scholarship of the Marion-Ermer-Foundation, in the same year she founded the female a cappella ensemble niniwe vocal art, which was awarded prizes at many competitions in Tampere/Finland and Taipei/Taiwan (2006), as well as in Seoul/Korea (2010).
In 2012 she became a member of the vocal ensemble Vox Nostra, which is dedicated to the vocal music of the Middle Ages. In 2013 Brückner received the 1st prize at the composition competition “Gebt uns Noten” of the German Choral Association. She sang in bands with guitarist Frank Möbus, saxophonist Daniel Erdmann, pianist Nicolai Thärichen and in the Glasgow Improvisers Orchestra with drummer Günter “Baby” Sommer and free-jazz singer Maggie Nicols.
Brückner is active as an arranger for choir. Numerous of her arrangements for a cappella and solo of works by Georg Friedrich Händel, Alexander Scriabin, Edvard Grieg, traditional songs from Great Britain and Sweden, among others, as well as her own compositions, have been published by Helbling-Verlag. She is lecturer for jazz choir at the HfM “Franz Liszt” in Weimar, since 2018 lecturer for jazz and pop singing at the Bundesakademie in Trossingen.