The most common and most likely answer to this crossword clue is the 5 letter word GALOP
I've seen this crossword clue in The Guardian
G
A
L
O
P
More clues leading to the result GALOP
- Dance round piano following young female
- Couple dance: miss work
- Dance composed by young woman before work
- Miss work to make music and dance
- Number love to be included in break dance
- Lively dance making country lass work
- Dance work substituted for last element of festival
- Gail’s first dance upset Ken, initially, out for another
- Girl requires a piece of music for dance
- Dance with girl before work
Buddy explains!

The straight part
We know that "dance" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case dance = galop.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 GALOP mean?
GALOP noun- A lively French country dance of the nineteenth century, a forerunner of the polka, combining a glissade with a chassé on alternate feet, usually in a fast 2/4 time.
- The music for a dance of this kind.