Symphonic poem Tchaikovsky's work as "Isle of the Dead" (1909) does its independence from it. A similar debt to his teacher Rimsky-Korsakov imbues Igor Stravinsky's "The Song of the Nightingale", excerpted from his opera "The Nightingale". Alexander Scriabin's "The Poem of Ecstasy" (1905–08) and "" (1908–10), in their projection of an egocentric theosophic world unequalled in other symphonic poems, are notable for their detail and advanced harmonic idiom. Socialist realism in the Soviet Union allowed program music to survive longer there than in western Europe, as typified by Dmitri Shostakovich's symphonic poem "October" (1967). While France was less concerned than other countries
Symphonic poem his "Le rouet d'Omphale", soon following it with three more, the most famous of which became the "Danse macabre" (1874). In all four of these works Saint-Saëns experimented with orchestration and thematic transformation. "La jeunesse d'Hercule" (1877) was written closest in style to Liszt. The other three concentrate on some physical movement—spinning, riding, dancing—which is portrayed in musical terms. He had previously experimented with thematic transformation in his program overture "Spartacus"; he would later use it in his Fourth Piano Concerto and Third Symphony. After Saint-Saëns came Vincent d'Indy. While d'Indy called his trilogy "Wallenstein" (1873, 1879–81) "three symphonic overtures",