"Opus 3" is a term that can refer to various works or projects, often in the context of music or art. In classical music, it may denote the third composition in a series by a composer. The term is commonly used to categorize and identify pieces within a larger body of work. In a broader context, "Opus 3" can also refer to specific organizations or initiatives, such as Opus 3 Artists, a talent management agency representing musicians and performers. This agency focuses on promoting and supporting artists in their careers, helping them reach wider audiences through various platforms.