Elegie. (Lyric Pieces Book IV, Op. 47 No 7.)

I heard this piece on the radio and thought it would sound good on the organ and then along came the AVO - Stahlhuth positive.
The piece starts with Holzgedeckt and Rohrfloete, the Prestant is subsituted, then the Flachfloete is added, then the Spitzquinte and it finishes with just the 8ft.
Music is on IMSLP
Piano; https://www.youtube.com/watch?v=IsW2AxDIWgY

Edvard Hagerup Grieg 15 June 1843 – 4 September 1907 was a Norwegian composer and pianist. He is widely considered one of the leading Romantic era composers, and his music is part of the standard classical repertoire worldwide.

Lyric Pieces (Norwegian: Lyriske stykker) is a collection of 66 short pieces for solo piano written by Edvard Grieg. They were published in 10 volumes, from 1867 (Op. 12) to 1901 (Op. 71). The collection includes several of his best known pieces, such as Wedding Day at Troldhaugen (Bryllupsdag på Troldhaugen), To Spring (Til våren), March of the Trolls (Trolltog), and Butterfly (Sommerfugl).

The theme of the first piece in the set, Arietta, was one of the composer's favorite melodies. He used it to complete the cycle in his very last lyric piece, Remembrances (Efterklang) — this time as a waltz.