The daughter of Croatian Ban, Count Theodore Pejacevic and Hungarian baroness Lille Vay de Vaya. The music began to learn as a child of the famous Hungarian Károly Noszede organist who came in the summer to Nasice where she lived.
Dora Pejačević left behind the 58 works of orchestral, vocal and instrumental, chamber and piano music.
She lived for music and music of the era by the Croatian music is characterized as a boundary between the late romanticism of Ivan Zajc and the so-called national style. Her works have been in the repertoire of many prominent artists, and her name appeared on concert programs and posters from the world's greatest composers. Musicologists point out that it laid the groundwork recent Croatian chamber and concertante music