The most common and most likely answer to this crossword clue is the 8 letter word CONCERTS
I've seen this crossword clue in Independent
C
O
N
C
E
R
T
S
Buddy explains!

The straight part
We know that "gigs" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case gigs = concerts.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 CONCERTS mean?
CONCERTS verb- To plan together; to settle or adjust by conference, agreement, or consultation.
- To plan; to devise; to arrange.
- To act in harmony or conjunction; to form combined plans.