Musical comedy, also known as musical theater or just musical, is a genre of performance that combines singing, dancing, and acting. It has been a popular form of entertainment since the early 20th century, with some of the most famous musicals being West Side Story, Cats, and Les Miserables. Synonyms for musical comedy include musical play, musical drama, musical stage production, musical extravaganza, musical theater, and musical revue. These terms all refer to the same type of performance that involves a mix of music, dance, and theater, but some may be used in more formal or specific contexts. Regardless of what it's called, musical comedy is a beloved form of entertainment enjoyed by audiences worldwide.