 Nyorai kupfuurira kweiyi ndima - Symphony No. 50, Op. 360, Mount St. Helens inziyo yeorchestra ine zvikamu zvitatu yomunyori weAmerica Alan Hovhaness. Symphony yakarayirwa neyaimbova muparidzi weHovhaness C.F. Peters uye yakapedzwa musi waJanuary 24, 1982. Yakatangwa musi waMarch 2, 1984, uye yakaitwa neSan Jose Symphony pasi pemutungamiriri George Cleve. Chidimbu chacho chinoyeuchidza gomo rinoputika rinonzi Mount St. Helens, iro rakaguma nokuputika kwaro muna 1980, izvo Hovhaness akanga aona achibva kumba kwake muSeattle. 