Has anyone been able to sneak in a m4/3 camera into a concert...

It was a small venue. those are from 2 different small places actually where I was able to stand right next to the stage.  After I've been to a venue once or twice I know what their camera policy is, but going to a place for the first time with a nice camera, that I am not sure will be allowed in, can be pretty nerve racking.  :/

When RX100 gets cheap enough I will happily take it with me instead to concerts.