What does the cryptic crossword clue "This has chromatic scales for harpist to play (6-4)" mean?

The wordplay uses an anagram. anagram of FOR (synonym="… to play") + HARPIST (synonym="HARPIST") = PARROTFISH The answer is PARROTFISH.

This has chromatic scales for harpist to play (6-4)

Guardian Cryptic #29618 | 14 Across | 2025-02-14 flower