<prompt> Pedzisa mutsara unotevera: Clark akanga ari muimbi weharpa weDenver Philharmonic Society achiri mukadzi muduku. Muna 1915 akaita pa  <response>: Panama-Pacific International Exposition muSan Francisco, achiratidzira harps nokuda kweRudolph Wurlitzer Company. Muna 1917 na 1918 akafamba North America pamwe Swiss cellist Elsa Ruegger. Munguva yegore ra1919-1920, akanga ari muimbi weharp neSeattle Symphony Orchestra. Akanyora uye akaronga Charles Wakefield Cadmans Kubva kuNyika yeDenga reBlue Water yeharp solo. Pakazosvika 1928 akanga ava kunzi muimbi mukuru wegarwe wokuAmerica. Muna 1931, akashanda pachikoro chechikoro chegore reMount St. Marys College, achidzidzisa harp. 