On Wikipedia https://en.wikipedia.org/wiki/Royal_Scottish_National_Orchestra_Chorus
Alternative Spellings RSNO Chorus
Creation 1843
City Edinburgh, UK
Country United Kingdom
Links Allmusic

The Royal Scottish National Orchestra Chorus, or RSNO Chorus for short, is a choir based in Scotland and founded in 1843. Its main role is to perform alongside the Royal Scottish National Orchestra. The chorus holds open rehearsals for potential new members, rehearses on Wednesdays in Glasgow, and has also toured around the world. It is directed by Gregory Batsleer. wikipedia