The term 'La Scala Feature' is a reference to the world-renowned OPERA house, La Scala, located in Milan, Italy. The crossword solution for this term is OPERA, which is a type of musical theatre that combines singing, acting, and dancing. OPERA originated in Italy during the 16th century and has since become a popular form of entertainment around the world. La Scala is one of the most famous OPERA houses in the world and has been hosting performances since 1778.