Next up, we have a longtime particular favorite here at BellaOnline Musician ..
Creative Writing Idea - Drawing on the Right Side of the Brain
Musicians/Songwriters and Artists from all over the world (including yours-truly), have been raving on for decades about this Brain-Opening Manual! This type of info is hard to put a price on. You could go through your entire life and never twig it...
Right brain techniques can be used with incredible results in many fields. After reading and trying a simple exercise in the first chapter, your drawing results will improve immediately - you'll be amazed.
Then utilize these powerful right-brain techniques in your Creative Writing and you'll come on in leaps and bounds.
Thanks to Ger C for leading me to it many moons ago.
Also recommended by the same author..
Another complete 5-star winner . This one covers a multitude of arts, but of course many of these techniques can all be used to help in the creative song / writing department among many others.