Flute and piano - intermediate - Digital Download SKU: S9.Q20150 Ach, ich habe sie verloren. Composed by Christoph Willibald (Ritter von) Gluck. Edited by Edmund Wachter / Elisabeth Weinzierl. Arranged by Theobald Boehm. This edition: Sheet music. Copyright 2014 Schott Music GmbH & Co. KG, Mainz. Downloadable. Op. 2. 6 pages. Schott Music - Digital #Q20150. Published by Schott Music - Digital (S9.Q20150). Digital publication of the piece found in the following print music collection: Romantic Miniatures 2.