What does the cryptic crossword clue "Leave a myth that's developed in a style of music (5,5)" mean?

The wordplay uses an anagram. anagram of LEAVE + A + MYTH = HEAVYMETAL The answer is HEAVYMETAL.

Leave a myth that's developed in a style of music (5,5)

Daily Mail Cryptic #17182 | 11 Across | 2023-09-11 flower