Rage is prone to upset the diva (5-6)

I believe the answer is:

opera-singer

'the diva' is the definition.
(I've seen this before)

'rage is prone to upset' is the wordplay.
'to upset' is an anagram indicator.
'rage'+'is'+'prone'='rageisprone'
'rageisprone' anagrammed gives 'OPERA-SINGER'.

(Another definition for opera-singer that I've seen is " Eg, Caruso".)

I've seen this clue in The Irish Independent.

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