Under the leadership of Emil Gartner, it increased in size to 130 singers by the late 1940s, and its repertoire expanded to include Canadian folk songs as well as works by Handel, Mendelssohn, Schubert, and others.
By the late 1940s, under Emil Gartner's leadership, the group increased in size to 130 singers and broadened its repertoire to incorporate Canadian folk songs alongside works by Handel, Mendelssohn, Schubert, and other composers.