André Ernest Modeste Grétry (1741 -- 1813) was a
composer from the Prince-Bishopric of Liège
(present-day Belgium), who worked from 1767 onwards in
France and took French nationality. He is most famous
for his opéras comiques.
"Zémire et Azor" (Zémire and Azor) is an opéra comique,
described as a comédie-ballet mêlée de chants et de
danses, in four acts by the Belgian composer André
Grétry, The French text was by Jean François Marmontel
based on La Belle et la bête (Beauty and the Beast) by
Jeanne-Marie Le Prince de Beaumont, and Amour pour
amour by P. C. Nivelle de La Chaussé. The opera
includes the famous coloratura display piece La
Fauvette in which the soprano imitates birdsong.
The "Veillons, mes Soeurs" ("Let us, my sisters") is
from Act II Scene I of "Zémire et Azor" with this
arrangement featuring a Violin & Viola duet with an
Acoustic Piano accompainment.