
1) Italian-language opera 2) Opera set in Scotland
Found on
https://www.crosswordclues.com/clue/ariodante

The opera was first performed in the Covent Garden Theatre, London, on 8 January 1735. Ariodante opened Handel`s first season at Covent Garden and successfully competed against the rival Opera of the Nobility, supported by the Prince of Wales. Handel had the tacit and financial support of the King and Queen and, more vocally, of the Princess Roya....
Found on
http://en.wikipedia.org/wiki/Ariodante
No exact match found.