"It Don't Mean a Thing (If It Ain't Got That Swing)" is a famous jazz standard written by Duke Ellington in 1931. The song emphasizes the importance of rhythm and groove in music, suggesting that without a lively swing feel, the music loses its essence. It captures the spirit of the jazz era, where improvisation and a strong beat were essential for creating an engaging performance. The catchy phrase "it don't mean a thing" highlights that the melody alone isn't enough; the energy and swing are what truly bring the music to life. This song has been performed by many artists, making it a timeless classic in the world of jazz.