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)
Inner Hebrides oyster are also found, in for example, the Sound of Scalpay. There are nationally important horse mussel and brittlestar beds in the sea lochs. Heather moor containing ling, bell heather, cross-leaved heath, bog myrtle and fescues is abundant and there is a diversity of arctic and alpine plants including alpine pearlwort and mossy cyphal. Inner Hebrides The Inner Hebrides (; Scottish Gaelic: "Na h-Eileanan a-staigh", "the inner isles") is an archipelago off the west coast of mainland Scotland, to the south east of the Outer Hebrides. Together these two island chains form the Hebrides, which experience a mild oceanic climate.