The most common and most likely answer to this crossword clue is the 3 plus 4 letter word BOY BAND
I've seen this crossword clue in The Times
B
O
Y
B
A
N
D
More clues leading to the result BOY BAND
Buddy explains!
The straight part
We know that "performers" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case performers = boy band.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.