The most common and most likely answer to this crossword clue is the 6 letter word SEPTET
I've seen this crossword clue in The Times
S
E
P
T
E
T
More clues leading to the result SEPTET
- Several players notice leader of team training inside
- Odd number of players performing for 30 days on film
- Ninth month with sci-fi film group
- Let It Be holds record for group
- Group exercise in river, doing the backstroke?
- Group of musicians adjust private parts
- Players notice team’s leader training inside
- Music group’s Let it Be embodying old record
- Clan uniting with alien group
- Coterie including private group
Buddy explains!

The straight part
We know that "Odd number of players performing" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case odd number of players performing = septet.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 SEPTET mean?
SEPTET noun- A group of seven, often a musical group of seven performers.
- A musical composition for seven instruments or seven voices.