The most common and most likely answer to this crossword clue is the 10 letter word RINGLEADER
I've seen this crossword clue in The Guardian
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More clues leading to the result RINGLEADER
- Director of music cycle recited songs
- R for a gang boss?
- Call Johnson, say, the cause of all the trouble?
- Mastermind: circle editor’s article
- Band’s songs will be heard – he’s the one responsible
- One to call boss?
- Band’s number one songs heard with operatic work
- Queen’s supporting bandand will be instigator
- Chief of crooks spinning grander lie
- Main villain in opera and songs from Germany on the radio?
Buddy explains!

The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.
What does RINGLEADER mean?
RINGLEADER noun- A leader of a group of people, especially an unofficial group.
- A person who starts and leads a disturbance (such as a riot), a conspiracy, or a criminal gang.