<https://www.guitarchambermusicpress.com/product/aus-der-kinderzeit-schlummerlied/#product>
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"Aus der Kinderzeit “Schlummerlied” by Hugo Wolf was originally written for piano. This beautiful yet short piece has transcribed and arranged by Dr. Adam Kossler."
<https://www.guitarchambermusicpress.com/product/aus-der-kinderzeit-schlummerlied/>