By looking through the Gentle Giant blazemeonger website I found this music student paper about Gentle Giant , The Missing Piece in Rock's Academia ' by Dominic Stone University of Leeds 2016
Nice title and a good read, quite a lot of music analysis with scores, but the explanations are not too complicated if you know the standard vocabulary and a bit about harmony. It's downloadable as pdf.
http://www.blazemonger.com/GG/Special:NewFiles
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