Opera turns feelings into grand spectacle, so dream tradition reads it as emotions that feel larger than life. It can point to drama in waking relationships, or to a wish to express yourself fully.
Has this come up in your dreams before? What was going on in your life then?
My Cosmic Code has a private dream journal. Write a dream down and the app picks out the symbols in it, shows what dream books say about them and, over time, which words recur across your entries. The journal is stored on your device only.