[5] Her German-born father Edward Benneche was a businessman,[6] and was president of the Arion Society, a German-American musical club in New York.

[14] Benneche, a coloratura soprano, sang in concerts and church festivals in Europe, including at the Hamburg Summer Opera.

[12][16] She toured in the United States,[17] and made recordings of German-language songs on the Victor label in 1916 and 1917.

[16][18] "Her records are said to be some of the finest made," reported the Musical Courier in 1917, adding that "her voice is sweet without the least trace of shrillness.

[12] She sang at Fourth of July festivities in Delaware Water Gap in 1918,[20] and gave two radio concerts in 1924.