Dates and listening details already known to Music Journals.
Composed 1922
Ravel's Orchestration was written between May and late summer of 1922 (premiered October 22, 1922). Mussorgsky's original solo piano suite was composed June 2–22, 1874.
Composed 1929–1930
Scholarly sources most commonly date the work's active composition from 1929 to 1930, though some references cite 1929–1931 to account for the completion of the orchestration prior to its 1932 premiere. Often catalogued simply as Concerto pour la main gauche.
Composed 1904–1905
Piano (Original): 1904–1905 (as part of the suite Miroirs); Orchestral Transcription: 1918 (orchestrated by Ravel)