Top bunch of musicians get drink with Queen and rise round dinner's end (10)

I believe the answer is:

supergroup

I'm a little stuck... Click here to teach me more about this clue!

'musicians get drink with queen and rise round dinner's end' is the definition.
I know nothing about this answer so I can't tell whether it can be defined by this definition.

'top bunch' is the wordplay.
'top' becomes 'super' (I've seen this before).
'bunch' becomes 'group' (I've seen this in another clue).
'super'+'group'='SUPERGROUP'

'of' acts as a link.

Can you help me to learn more?

I've seen this clue in The Guardian.

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