Watford Colosseum. Built in 1938, the soundtracks for films such as The Sound of Music and Lord of the Rings were recorded here. Among the artists who have performed here are the BBC Concert Orchestra, The Who, Robbie Williams and Oasis. [full inscription unknown]

See also...
Peter Hughes on Flickr
Brian Cooper on Flickr
Al kirtley on Wikimedia Commons
graham19492000 on Flickr
Dcs57 on Wikimedia Commons