I love my Audix VX5 for recording. I've used it live as an instrument microphone for my ukuleles. In this situation I don't really know what it sounds like yet the feedback from the punters was good. I started a trend from fellow performers to mike up rather than rely on pickups.

My review of the VX5 although its a recording, not live,

https://www.youtube.com/watch?v=w63dGm_AFxw

Anthony