Original: German Lieder for Medium & Low Voice, Part I. An die Nachtigall, Op. 46, No. 4. An die Nachtigall, Op. 46, No. 4. Version 2.0.
Translation: German Lieder for Medium . Nachtigall, Op. 97, No. 1. Nachtigall, Op. 97, No. 1. Various. Low Voice sheet music.