"Nobody" by Wonder Girls is a catchy K-pop song in the key of B major. Released in 2008, the song became a massive hit in South Korea and internationally. Composed by Park Jin-young, the founder of JYP Entertainment, the song features an infectious melody and upbeat rhythm, blending elements of pop, disco, and retro influences. The Wonder Girls, a South Korean girl group consisting of members Yubin, Yeeun, Sunmi, and Hyerim, delivered dynamic vocals and energetic performances that captivated audiences. "Nobody" marked a significant milestone for K-pop's global expansion, becoming one of the genre's earliest successes on the international stage. Its addictive melody and iconic dance moves contributed to its enduring popularity, making it a classic within the K-pop genre.