Extension on an existing query

So i was helped before with this

I have a table of events (they are actually radio meteor events)
This table has amongst other things

event_id which is unique
Date
time: Event time is in a time field HH:MM:SS
contributor

in practical terms the event may be repeated several times for any given event as different contributors may have records the same event.

So im looking for a query that will return all records were the date and time match

and the answer was

select event_id,…

Extension on an existing query