Possible Clues:

• Italian composer (The Pines of Rome)
• Irish peg, oddly, for the Italian composer
• Some of his impressions of Rome are evergreen
• About to express regret about piano, one Italian composer
• Uncanny perception displayed during tackle - Hello, he scored!
• He did noted work on the fountains of Rome
• Ottorino -, Ital. composer (The Pines of Rome)
• Composer - nasty prig, is he?
• Italian composer of �The Pines of Rome'
• Ottorino --, Italian composer