Circle of fifths is a great tool, I use it all the time. There are lots of webpages that talk about it, here is one: http://guitaristguitarist.com/guitar_music_theory.html

I have one printed out and pinned to my wall for reference, I think this is the image I used: Circle of Fifths chart

Last edited by BlueAttitude; 12/12/16 11:43 PM.