Harp adjectives are listed in this post. Each word below can often be found in front of the noun harp in the same sentence. This reference page can help answer the question what are some adjectives commonly used for describing HARP.
aeolian, ancient, beautiful, broken, celestial, celtic
clear, eolian, gold, golden, great, ieolian
irish, jeolian, jsolian, little, magic, old
own, pleasant, silent, silver, small, sounding
stringed, sweet, tuned, tuneful, welsh, wild
Hope this word list had the adjective used with harp you were looking for. Additional describing words / adjectives that describe / adjectives of various nouns can be found in the other pages on this website.