i have SOQL query which queries for some records based on a where condition.

select id, name,account.name ... <other fields> from opportunity where eventname__c='Test Event'

i also need to get the related contact details for the account in the opportunity. ie i need to add the email ids of contact who all are part of the account in the opportunity.

For each opportunity, i need to get all the contacts emailids who are associated with the account in opportunity.

I cant really figure out how to approach this. referring the documentation i can get the contact info of a account using the query

SELECT Name,
(
SELECT LastName
FROM Contacts
)
FROM Account

How can i use this along with opportunity?

Thanks