It's a subtle adjustment. But this utilizes DM more effectively, in addition to ROT..
If you do your framing in camera whilst taking the shot, which you have time to do in this type of photo, then you will have very little post shot cropping. Good luck.
Have you edited his face? By looking at this face I get the sense that he's 18 - when I look at his left hand (the one on the guitar) it looks like the hand of an older man. For some reason that caught my attention straight away. It may just be the lighting though. Otherwise, I like the first one the best.