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 writes that while these works may seem diffuse by symphonic standards, their literary sources actually define the sequence of events and the course of the musical action. Clapham adds that while Dvořák may follow the narrative complexities of "The Golden Spinning Wheel" too closely, "the lengthy repetition at the beginning of "The Noon Witch" shows Dvořák temporarily rejecting a precise representation of the ballad for the sake of an initial musical balance". The fifth poem, "Heroic Song", is the only one not to have a detailed program. The development of the symphonic poem in Russia, as in the Czech lands,