With her pianist sister Maro Ajemian, she performed in Europe, Canada and throughout the United States in a wide repertoire including works which were written for them by such distinguished composers as John Cage, Henry Cowell, Alan Hovhaness, Ernst Krenek, Lou Harrison, Wallingford Riegger, Carlos Surinach, and Ben Weber.
Ajemian and her sister were equally known for their interpretations of the standard classical repertoire.