By 1901 her reputation was good enough that Benton Harbor's orchestra was advertising itself using Van Etten's name, despite no formal connection or performances.
[2][5] After her wedding she gave up singing to concentrate on composition,[3] though she later worked as a teacher of voice in Chicago.
[2] She composed Guido Ferranti, a one-act opera to a libretto by Elsie M. Wilbor based on the play The Duchess of Padua by Oscar Wilde.
Hazel Eden was Beatrice and Worthe Faulkner Guido Ferranti; the opera was conducted by Agide Jacchia.
[3] It was said that Van Etten had not studied orchestration, harmony or counterpoint prior to the composition of the opera.