Would say that this .pdf is more focus on the keyboard player and the electronic musician than for any other. But of course: The concepts can be applied to any instrument and any type of musician. It's not a 200 long book which some will find very welcoming.
Thanks for posting this up, ive been looking for a good guide to music theory for quite some time. Now ill have a lot of reading to do tomorrow morning when I start my day of working on music. Thanks again!!!!