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Gustav Holst passed away in 1934. He was an English composer, best known for his orchestral suite "The Planets." Holst's music is characterized by its use of folk melodies, modal harmonies, and evocative orchestration. He was a prolific composer, writing over 200 works in various genres, including operas, ballets, and choral music. Holst's music continues to be performed and enjoyed by audiences worldwide.