The crossword solution for the term 'Highlight at La Scala' is ARIA. An ARIA is a self-contained piece for one voice, with or without instrumental accompaniment, normally part of a larger work such as an opera, cantata, oratorio, or musical. La Scala is an opera house in Milan, Italy, which is considered to be one of the leading opera and ballet theatres in the world. Therefore, a highlight at La Scala would be a particularly impressive ARIA.