Rubuta ci gaba ga wannan sakin layi - Clark ya kasance mai harpist tare da Denver Philharmonic Society a matsayin matashi. A shekarar 1915 ta yi wasan kwaikwayo a Panama-Pacific International Exposition
a San Francisco, suna nuna garayu ga Kamfanin Rudolph Wurlitzer. A cikin 1917 da 1918 ta yi yawon shakatawa a Arewacin Amurka tare da mawaƙin cellist na Switzerland Elsa Ruegger. A lokacin 1919-1920 kakar, ta kasance harpist tare da Seattle Symphony Orchestra. Ta rubuta da kuma shirya Charles Wakefield Cadman ta "Daga Land of Sky Blue Water" don solo harp. A shekara ta 1928 an ɗauke ta "mafi kyau a harfa a Amirka". A shekara ta 1931, ta yi aiki a sashen koyarwar makarantar bazara ta Kwalejin Mount St. Mary, tana koyar da garaya.