These range from solo instrument or voice to full orchestra/band/chorus with narrator and include any imaginable group in between such as a two-act jazz opera, “Ava”, that features singer, Janet Planet. The titles and content of many pieces reflect a deep interest in environmental issues and Native American folklore. Bobby Shew writes that Harmon is “strongly influenced by poetry, Native American folklore, jazz elements... [his] compositions draw from a palate not unlike Gershwin, Bernstein, Copland, and the lesser known Alec Wilder.”