"Rastlose Liebe" is a Lied

Lied

is a German word literally meaning "song", usually used to describe romantic songs setting German poems of reasonably high literary aspirations, especially during the nineteenth century, beginning with Carl Loewe, Heinrich Marschner, and Franz Schubert and culminating with Hugo Wolf...

 composed by Franz Schubert

Franz Schubert

Franz Peter Schubert was an Austrian composer.Although he died at an early age, Schubert was tremendously prolific. He wrote some 600 Lieder, nine symphonies , liturgical music, operas, some incidental music, and a large body of chamber and solo piano music...

 and published in July 1821 as Op. 5, No. 1. In Otto Erich Deutsch

Otto Erich Deutsch

Otto Erich Deutsch was an Austrian musicologist. He is known for compiling the first comprehensive catalogue of the works of Franz Schubert, first published in 1951 in English, new edition in 1978 in German...

's catalog it is D. 138. The Lied is based on a text by Johann Wolfgang von Goethe

Johann Wolfgang von Goethe

Johann Wolfgang von Goethe was a German writer, pictorial artist, biologist, theoretical physicist, and polymath. He is considered the supreme genius of modern German literature. His works span the fields of poetry, drama, prose, philosophy, and science. His Faust has been called the greatest long...

, written during a snowstorm in the Thuringian Forest

Thuringian Forest

The Thuringian Forest running northwest to southeast, forms a continuous stretch of ancient rounded mountains posing ample difficulties in transit routing save through a few navigable passes in the southern reaches of the German state of Thuringia. It is about long and wide...

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The song has been performed by both male and female voices. The tempo marking is "Schnell, mit Leidenschaft" (Fast, with Passion). The piece contains great dynamic variation.