Personality has nothing to do with having artistic, or any, talent.

I've seen extremely shy people who had excellent abilities in art or music while more outgoing people just thought they did...lol.

I will admit, it helps to be a little more outgoing in personality if you are talented.
Shy people tend to hide the talents.

Let me introduce you to my multiple personalities. :)
     BluEcho...Faery_Light...Faery_Souls.