By 1930, membership had grown to forty-five members and the group had performed its rendition of The Nightingale of Gorenjska [sl] at downtown Cleveland's Public Hall.
[3][1] Under the direction of Joseph Krabec, from 1933, they performed in concerts, operas, and musical plays in Slovene and English.
Their concerts benefited local organizations including the Slovene Home of the Aged and the monthly magazine Cankarjev Glasnik, as well as relief efforts based in Slovenia.
They also recorded collections of Slovenian wedding and harvest customs under a grant received from the Ohio Arts Council in 1984.
[3][6] The current musical director of the Zarja Singing Society is Doug Elersich, who has served in the position since 1986.