text: Download Waltz E Minor, Op. Posth. Sheet Music By Frederic Chopin - Sheet Music Plus
  Waltz E minor, Op. posth.
  https://www.sheetmusicplus.com/title/waltz-e-minor-op-posth-digital-sheet-music/20180529
  Composed by Frederic Chopin (1810-1849). Edited by Emil von Sauer. Copyright 1955 Schott Music Ltd, London. Published by Schott Music (S9.Q3726).
  Item Number: S9.Q3726
  Preview: Waltz E minor, Op. posth.