The most common and most likely answer to this crossword clue is the 4 plus 3 plus 4 letter word ROCK AND ROLL
I've seen this crossword clue in The Times
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More clues leading to the result ROCK AND ROLL
Buddy explains!
The straight part
We know that "Music" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case music = rock and roll.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 ROCK AND ROLL mean?
ROCK AND ROLL noun- A genre of popular music that evolved in the 1950s from a combination of rhythm and blues and country music, characterized by electric guitars, strong rhythms, and youth-oriented lyrics.
- A style of vigorous dancing associated with this genre of music.
- An intangible feeling, philosophy, belief or allegiance relating to rock music (generally from the 1970s–1980s), and heavy metal bearing certain elements of this music, pertaining to unbridled enthusiasm, cynical regard for certain Christian and authoritarian bodies, and attitudes befitting some degree of youthful debauchery. This meaning is sometimes used as an exclamation, in describing traits of certain people, and so on.
- The full automatic fire capability selection on a selective fire weapon.