This biography investigates the life and creative output of English composer Gustav Holst, examining how he balanced personal health struggles with his significant contributions to the early twentieth-century musical renaissance. Imogen Holst, the composer's daughter, utilizes primary source material including personal correspondence with contemporaries like Ralph Vaughan Williams and her own firsthand recollections. The text presents a chronological account of Holst's career, contextualizing his most famous works within the broader landscape of English music history.

Experts and music historians frequently cite this work as a foundational and intimate portrait of the composer due to the author's unique access to private papers. Readers often note that the prose is accessible while maintaining a high degree of biographical accuracy regarding the subject's professional challenges.