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)
The Consecration of the House (overture) altered some of the musical numbers, and added others, including a final chorus with violin solo and ballet. This new overture is known as "The Consecration of the House" Overture. (The extra incidental pieces constitute the entire work.) An anecdote by Anton Schindler describes Beethoven conceiving two themes for the overture while on a walk, and relates the composer's intention of treating one of these in contrapuntal fashion after Handel. Beethoven chose a monothematic structure, in which a modulation occurs, but in which the new key features the same theme. This suggests the influence of Haydn. The overture opens with