Symphonic poem temporary stop to the debate as to whether the genre was dead. Nevertheless, composers began to explore the "more compact form" of the concert overture "...as a vehicle within which to blend musical, narrative and pictoral ideas." Examples included Mendelssohn's overtures "A Midsummer Night's Dream" (1826) and "The Hebrides" (1830). Between 1845 and 1847, the Belgian composer César Franck wrote an orchestral piece based on Victor Hugo's poem "Ce qu'on entend sur la montagne". The work exhibits characteristics of a symphonic poem, and some musicologists, such as Norman Demuth and Julien Tiersot, consider it the first of its genre, preceding
Overture opposed to one serving to begin a later section of the work". Although by the end of the eighteenth century opera overtures were already beginning to be performed as separate items in the concert hall, the "concert overture", intended specifically as an individual concert piece without reference to stage performance and generally based on some literary theme, began to appear early in the Romantic era. Carl Maria von Weber wrote two concert overtures, "Der Beherrscher der Geister" ('The Ruler of the Spirits', 1811, a revision of the overture to his unfinished opera "Rübezahl" of 1805), and "Jubel-Ouvertüre" ('Jubilee Overture', 1818,