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 poems (Liszt) genre. Liszt's determination to explore and promote the symphonic poem gained him recognition as the genre's inventor. Until he coined the term "symphonic poem", Liszt introduced several of these new orchestral works as overtures; in fact, some of the poems were initially overtures or preludes for other works, only later being expanded or rewritten past the confines of the overture form. The first version of "Tasso", Liszt stated, was an incidental overture for Johann Wolfgang von Goethe's 1790 drama "Torquato Tasso", performed for the Weimar Goethe Centenary Festival. "Orpheus" was first performed in Weimar on February 16, 1854 as a