Fingal's Cave a walkway just above high-water level permitting exploration on foot. From the inside, the entrance seems to frame the island of Iona across the water. Romantic composer Felix Mendelssohn visited in 1829 and wrote an overture, "The Hebrides", Op. 26, (also known as "Fingal's Cave overture"), inspired by the weird echoes in the cave. Mendelssohn's overture popularized the cave as a tourist destination. Other famous 19th-century visitors included author Jules Verne, who used it in his book "Le Rayon Vert" ("The Green Ray"), and mentions it in the novels "Journey to the Center of the Earth" and "The Mysterious Island";
Overture of the arias are quoted. In 19th-century opera the overture, "Vorspiel", "Einleitung," Introduction, or whatever else it may be called, is generally nothing more definite than that portion of the music which takes place before the curtain rises. Richard Wagner's "Vorspiel" to "Lohengrin" is a short self-contained movement founded on the music of the Grail. In Italian opera after about 1800, the "overture" became known as the "sinfonia". Fisher also notes the term "Sinfonia avanti l'opera" (literally, the "symphony before the opera") was "an early term for a sinfonia used to begin an opera, that is, as an overture as