Provide a report from inferior gallery, it’s said (10)

I believe the answer is:
commentate
'provide' is the definition.
The answer and definition can be both to do with communicating as well as being verbs in their base form.
Perhaps you can see a link between them that I can't see?
'a report from inferior gallery it's said' is the wordplay.
I cannot really understand how this works, but
'a' is found in the answer.
'report' could be 'comment' (comment is a kind of report) and 'comment' is found in the answer.
'it' could be 't' (abbreviation. e.g. in 'tis) and 't' is present in the answer.
A single letter 'e' remains which might be clued in a way I don't understand.
This explanation may well be incorrect...
Can you help me to learn more?
