 She commenced artistic study with Ivan Galamian, widely regarded among violinists as the greatest pedagogical influence of the latter half of the twentieth century.She performed frequently in master classes with the Romanian violinist George Enescu, and often traveled to Boston to play new works for the composition studio of Nadia Boulanger.In 1947, Lack was selected to be the first concertmaster of the prestigious Little Orchestra Society of New York, a position she held for two seasons.