The Hebrides (overture) overture state the theme Mendelssohn wrote while visiting the cave, and is played initially by the violas, cellos, and bassoons. This lyrical theme, suggestive of the power and stunning beauty of the cave, is intended to develop feelings of loneliness and solitude. The second theme, meanwhile, depicts movement at sea and "rolling waves". The piece is scored for 2 flutes, 2 oboes, 2 clarinets, 2 bassoons, 2 horns, 2 trumpets, timpani and strings. Performances of the overture typically last between 10½ and 11 minutes. The autograph manuscript of the work is held in the Bodleian Library, Oxford. The Hebrides (overture)
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,