Léo Delibes and Igor Stravinsky, both had which musical occupation?
Léo Delibes Clément Philibert Léo Delibes (] ; 21 February 1836 – 16 January 1891) was a French composer of the Romantic era (1815–1910), who specialised in ballets, operas, and other works for the stage. His most notable works include the ballets "Coppélia" (1870) and "Sylvia" (1876), as well as the operas "Le roi l'a dit" (1873) and "Lakmé" (1883).
Sergei Slonimsky Sergei Mikhailovich Slonimsky (Russian: Серге́й Миха́йлович Слони́мский , born August 12, 1932, Leningrad) is a Russian and Soviet composer, pianist and musicologist.