Unfinished creative work planet Pluto, giving it the name "Pluto, The Renewer". When Holst had written the original piece Pluto had not been discovered, and this addition therefore updated the suite and completed the eight movements that represented the planets of the solar system (Earth was never included) some 80 years after it was originally performed. In August 2006 Pluto was officially demoted to a dwarf planet, meaning that Holst's original work now more accurately represents the solar system. Some extremely famous 20th century operas have been left incomplete at their composers' deaths. Giacomo Puccini left the finale of "Turandot" unfinished and the
Imogen Holst by the cellist Steven Isserlis. In 1976, she took legal action over a recording by Japanese electronic composer Isao Tomita of 'The Planets', calling it 'unworthy of my father's creation'. The record, originally issued on the RCA label, was withdrawn from sale, and vinyl copies have subsequently become very rare. In April 1979 Holst was present when the Queen Mother opened the new Britten–Pears School building in Snape. The building included a new library—the Gustav Holst Library—to which Holst had donated a large amount of material, including books which her father had used in his own teaching career. She had