I think another way to not freak out over the red light is to own what you do. “Own” is a big one, too. That means you need to be able to play the tune, from A-Z, w/good time, all the way through without stopping. One might be very surprised when put to the test, what happens. Many people struggle with time issues, not to mention technique (even “great” players, dare I say).
I"m not talking about just “technique” used in it’s loose way e.g. G-F-E triplet, Ennis Cran, etc. but, Yes! You need to know how to do whatever you are going to play, flawlessly IF you’re going to play them at all. Then, come what may. You’re not a machine, so slight variations are fine. The other side of that, is when players start sounding so mechanical, but to say that is what is putting you off from nailing things down is akin to saying, “I don’t want to start going to the gym because I don’t want to looked like a ripped, super in shape, incredible athlete!” There’s a pretty good chance THAT won’t happen straight away, at very least!
How do to it flawlessly? To quote a superb technician (piper and teacher) Tim Britton, “There is no reason why you cannot perform a bit of technique/new figure/etc., perfectly, even after learning it for the first time.” He goes on to explain step 1) learn the technique. step 2) play it very SLOWLY & deliberately, w/every note sounding. There it is! You’re playing flawlessly! Over some days and weeks, speed it up, gradually!
However, most people then trash that idea after about…oh… 12 1/2minutes, and go and play whatever, too fast, and never getting it “right.” Then you have a tune balanced on the proverbial house of cards. At some stage, the idea of, “hey let me record myself” arrives. The red light goes on, and you KNOW, on some level that you own very little of what you’re doing, but that “this time” you’ll get it right. The tension comes, weird aberrations and glitches get recorded along with the obvious stuff poorly played (usually time, and rhythm). **Time-being your over all clock, and Rhythm being whatever emphasis, or accents, or “time feel” you’re imposing on the notes.
It takes much discipline to get to where you “own” a tune, or technique. I struggle with that personally (just as I suppose everyone does, to a greater or lesser degree). Through experience I’ve found that if you subscribe to this discipline, you can (immediately so) enjoy the fruits and the juice that this, or any music has to offer!!!