The most common and most likely answer to this crossword clue is the 6 letter word COHORT
I've seen this crossword clue in The Daily Telegraph
C
O
H
O
R
T
More clues leading to the result COHORT
- Cold old house right for group of statisticians
- Firm animated having collected right group of people
- Old soldiers company keen to stifle resistance
- Business right to secure house for partner
- Company angry about opening of rival company
- Band‘s implement seized, Spooner exclaims
- Curt’s no leader, put in place by company group
- Spooner’s garden tool struck companion
- Group of individuals in house right to enter short function
- Group of warriors in company animated about head of regiment
Buddy explains!

The straight part
We know that "Band" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case band = cohort.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 COHORT mean?
COHORT noun- A group of people supporting the same thing or person.
- A demographic grouping of people, especially those in a defined age group, or having a common characteristic.
- Any division of a Roman legion, normally of about 500 men.
- An accomplice; abettor; associate.
- Any band or body of warriors.
- A natural group of orders of organisms, less comprehensive than a class.
- A colleague.
- A set of individuals in a program, especially when compared to previous sets of individuals within the same program.
- To associate with such a group