With bass, especially bottom end, the vibration has to happen on stage otherwise the feel is wrong. This is why you can't scale the equipment down too far. ↗
I didn't really have an act per se - a theatrical performance, as opposed to just: here I am, folks, and you're all supposed to be dead quiet while I sing eight or nine songs, then get off the stage. ↗
I've often wondered, when they've done Of Mice And Men on stage, and I've seen it, how they did that gun thing. I've watched it on stage, but I don't remember it. ↗
From a very young age, I wanted to get up on stage whenever I went to the theatre - the actors just seemed to be having so much fun. One of my worries about theatre, in fact, is that the actors are quite often having more fun than the audience. ↗
But I feel music has a very important role in ritual activity, and that being able to join in musical activity, along with dancing, could have been necessary at a very early stage of human culture. ↗