The most common and most likely answer to this crossword clue is the 7 plus 5 letter word COUNTRY DANCE
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More clues leading to the result COUNTRY DANCE
Buddy explains!
The straight part
We know that "Where music heard" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case where music heard = country dance.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 COUNTRY DANCE mean?
COUNTRY DANCE noun- Used as a generic name for many native British dances, especially where partners face each other in a long line.