“Mood Indigo” is a jazz composition by Duke Ellington, first recorded in 1930. The piece is known for its rich harmonies and melancholic mood, reflecting the emotional depth often found in jazz music. It features a blend of brass and woodwind instruments, creating a unique sound that has made it a classic in the genre. The song has been covered by numerous artists, showcasing its lasting influence in the music world. Its title evokes feelings of sadness and introspection, aligning with the themes often explored in Ellington's work. “Mood Indigo” remains a significant piece in the history of jazz.