"Aus dem Leben eines Taugenichts: Novelle" by Freiherr von Joseph Eichendorff is a novella completed in 1822/23 and first published in 1826. A miller's son, dismissed as a good-for-nothing, sets out into the world with only his violin. He falls in love with a beautiful lady at a Viennese castle, becomes a toll collector, then abandons everything when she seems unattainable. His wandering journey takes him through Italy to Rome, following mysterious letters and glimpses of his beloved through gardens, palaces, and moonlit streets.
Wikipedia page about this book: en.wikipedia.org/wiki/Memoirs_of_a_Good-for-Nothing Wikipedia page about this book: de.wikipedia.org/wiki/Aus_dem_Leben_eines_Taugenichts