What does the cryptic crossword clue "Drum musician in club with brief set (6)" mean?

The wordplay uses a charade (building blocks). DJ (synonym="DJ") + EMBE (synonym="EMBE") = DJEMBE The answer is DJEMBE.

Drum musician in club with brief set (6)

Independent Cryptic #11686 | 30 Across | 2024-03-25 flower