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The American writer and humourist Mark Twain (real name: Samuel Langhorne Clemens, 1835–1910), whose youth novels about Tom Sawyer and Huckleberry Finn made him world famous, travelled around Europe more than once. In his second travel account A Tramp Abroad (1880), he describes among other things his experiences in the Alps. The so-called "music of Switzerland" was in fact the incessant gushing of a mountain stream that kept Twain awake night after night.
"Music of Switzerland", 1880, copperplate engraving, unknown artist, in: Mark Twain (18351910), A Tramp Abroad, Part 7, London 1880; image source: Internet Archive, http://archive.org/details/atrampabroad00119gut.