Plenty of Gluten-free beer available online and in supermarkets. Not so easy to find on draught.
The Gun Brewery does 5 Gluten- Free beers, and their GF Pale Ale can be found in some Sussex pubs.
https://www.youtube.com/watch?v=Q8P_xTBpAcY
Country music usually leaves me cold, but the combination of Jimmy Webb's lyrics and Glenn Campbell voice make this a beautiful, wistful, song.