sentences:  Especially in the area of the Romance languages, the allitterating verse in Wagner's "Ring des Nibelungen" was perceived as prose text, since the use of allitteration as basis for the poetry in the Ancient Germanic languages had always been alien the syllable-counting verse systems in the French, Italian, Spanish and Portuguese poetic tradition.Since the production of literaturopern possessed the potential to make the function of the opera librettist redundant, the genre was first able to assert itself in those opera cultures in which professional libretto-writing had not been able to develop a centuries-long tradition (Russia, Germany).The first examples of this dramaturgical process can be found in the history of French and Russian music in the second half of the 19th century.Early Russian literaturopern include Alexander Dargomyzhsky’s opera " The Stone Guest" (after Alexander Pushkin) and Modest Mussorgsky’s opera fragment "The Marriage" and his " Boris Godunov" (also after Pushkin).