She has also appeared as the Princess in Cilèa's Adriana Lecouvreur, Marfa in Moussorgsky's Khovanshchina, Ježibaba in Dvořák's Rusalka, Joan of Arc in Tchaikovsky's The Maid of Orleans, Santuzza in Mascagni's Cavalleria rusticana, Adalgisa in Bellini's Norma, Dalila in Saint-Saëns' Samson et Dalila, the title role in Massenet's Hérodiade and Léonor in Donizetti's La favorite.
In August, 2014 Zajick's first public composition, an opera scene titled "Roads to Zion" was premiered at The Cathedral Basilica of St. Joseph in San Jose, CA.
The work was written for performance during the celebrations by the Carmelite Order of the 500th anniversary of the birth of St Teresa of Avila and is available in a commercial recording.
Reviewers praised the "accomplished vocal and instrumental writing ... that delivered its message in a resonant, almost beatific, glow"[9] and noted that "this music created an intense experience.
[10] A second work, "Birdsong", was premiered by Chanticleer in March 2015 at the 2nd National Youth Choral Festival in San Francisco's Davies Symphony Hall.