I never realised this when I wrote the previous entry about this song, but Ruby Pearl does not actually exist: in reality it was one of the many guises Marty Wilde used during the 1970's to release various singles on the Magnet label.
My collection: 7" single no. 6343
Found: Discogs.com, received 13 January 2021
Cost: 2 pounds
Tracks: 'The Shang-a-lang song' / 'Will you stop that!'