"When at night the shadows fall,
Over all tree tops tall,
Faintly on the hill tops winding,"

From an Amazon page which listed the sheet music(pdf of pg 1 confirms the first few words with one changed)


The Fairy Ring ...
Arranged as a Two-part Song by H. Geehl, etc
(Edwin Ashdown's Series of Vocal Duets)
 Unknown Binding – 1 Jan 1936

by Franz Peter Schubert (Author)

https://www.amazon.co.uk/Fairy-Arranged-Two-part-Geehl-Ashdowns/dp/B0000D2YNX