Solo adjectives are listed in this post. Each word below can often be found in front of the noun solo in the same sentence. This reference page can help answer the question what are some adjectives commonly used for describing SOLO.
e, few
first, little
long, new
non, own
soprano, un
vocal
Hope this word list had the adjective used with solo you were looking for. Additional describing words / adjectives that describe / adjectives of various nouns can be found in the other pages on this website.
Please add more adjectives to make this list more complete: