So on the strings I would take out some of the velocity on the lower notes because I think some of it might be interfering with the high frequency leads, arps. I also think that ducking the bassline would calm it down so your plugins can play out better. A way I do that is either by volume automating or just taking a gravity compressor and making an automation on the threshold and using that as an automator. The kickdrum also could use it as well, with some saturation with a waveshaper or a tube