I'm seriously tempted to say... um, no brainer. Having very significant experiences in one's life -- good or bad -- will have, in my not so humble opinion -- one of two effects on one's music (particularly more recent (that is, Classical or later) or early (that is, Renaissance or earlier). I'm not so sure about Baroque). It will either make one's playing or whatever better, if one can channel and express the emotions from the experiences through the music, or worse, if one can't control the emotions from the experience.
The stronger the experience, the greater this effect will be.