Opera is a theatrical art form that combines singing, orchestral music, acting, and sometimes dance to tell a story. It originated in Italy in the late 16th century and has since evolved into various styles and traditions around the world. Operas are typically performed in opera houses, featuring elaborate sets and costumes. The music in opera is often composed in a classical style, with singers trained in specific vocal techniques to project their voices without microphones. Famous composers like Wolfgang Amadeus Mozart and Giuseppe Verdi have created iconic operas that are still performed today, showcasing the emotional depth and complexity of the human experience.