Glasgow is the most populous city in Scotland and the 4th most populous in the United Kingdom. Known for its major cultural institutions like the Burrell Collection, the Kelvingrove Art Gallery and Museum, the Royal Scottish National Orchestra among others. European Capital of Culture in 1990. (wiki)

"That was a turn I had seen in a music-hall in Glasgow, where I had got in for a matinee on my card. (...)" (Rhys, Part II, Ch 1)

 -- Perhaps Rhys is referring to the Royal Conservatorie of Scotland