Crossword Genius

A hot line arranged for the opera (8)

Ross

I believe the answer is:

iolanthe

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

'the opera' is the definition.
Both the answer and definition are singular nouns.
Maybe you can see a link between them that I can't see?

'a hot line arranged' is the wordplay.
'arranged' indicates anagramming the letters.
'a'+'hot'+'line'='ahotline'
'ahotline' anagrammed gives 'IOLANTHE'.

'for' is the link.

Can you help me to learn more?

(Other definitions for iolanthe that I've seen before include "Gilbert and Sullivan opera" , "G&S operetta" , "The Peer and the Peri is its alternative title" , "G&S twenty three down" , "one of 63 [OPERETTAS]" .)

I've seen this clue in The Globe and Mail.
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