Musical symbolism can be used in both classical and popular music. In classical music, it is often used to convey the emotions or ideas expressed in the lyrics or libretto. For example, in the opera "La Traviata," the use of minor keys and dissonant chords helps to convey the tragic nature of the story. In popular music, musical symbolism is often used to create a particular mood or atmosphere. For example, the use of a distorted guitar riff in a rock song might be used to create a sense of anger or aggression, while the use of a synthesizer in a pop song might be used to create a sense of euphoria.
Musical symbolism can be a powerful tool for composers and musicians to express their ideas and emotions. By carefully choosing the right instruments, melodies, rhythms, and lyrics, they can create a musical experience that is both meaningful and enjoyable.