I really don't know where to begin here, so I'll just give you all the rundown, and ask for opinions/better ideas/sugggestions/etc. The guitarist in my band is EXTREMELY close minded, as in, all he plays(give or take one or two songs) is Led Zeppelin. Nothing else, just Led Zeppelin. Now, I'm not dissing their music or anything here, but I mean, come on, Led Zeppelin is good and all, but limiting youself just to that? We've told him there's other stuff he should learn to play numerous times, but he never seems to get it. But anyways, fast forward to tonight. Me and my drummer are talking, and he suggests that we invite a real good meta guitarist over to jam, and then invite our current guitarist over. And when he asks why we have the other guy over, we're planning on telling him that either he learns some different stuff, or we divide our time between two bands. Now, I'm not really a fan of this idea, but I'm a fan of what works, so I am asking you guys, is this a reasonable thing to do? Or should we try something else?