Ok thanks Mark. Have had a proper listen now and compared with the original. The balance and dynamic range sounded very good to me, and pretty similar to the original. The waveforms were comparable. Nice not to see loads of flat-topping
It's not much of a professional assessment I'm afraid; I don't have any pro metering so just have to rely on my ear... but hopefully someone else with a better set up (and ears) than me will chime in.
Just as an aside, and I know this wasn't your question, but the song itself doesn't sound right to me... which was why I queried it initially. I managed to find your old version from years ago (Africa CLIP_Original v Exciter.WAV) and although it was just the chorus, the vocals sounded really good, whereas this new one definitely has some pitch and timing issues.
I remember you mentioning a T.C.Helicon so maybe you used it for adding harmonies and it wasn't set right so some of the layers jumped to the wrong notes. The obvious ones are at 22s, 45s and 2m3s, but perhaps someone else could check; it may just be me
The timing also sounded muddled in places, e.g. 37s and 1m15s. It's as if some of the harmony layers slipped out of alignment. The choruses at 2m17s and 3m12s sound a lot tighter and better, and I really like the vocal layering here.
Overall, the backing sounds very clear, similar to the original, and I like the additional backing vocal tweaks in the chorus at 3m34s; they fit really well imo.
Hope this doesn't come across as too negative. You've obviously put a lot of work into this so kudos to you, but it would be interesting to backtrack a bit in the production processes and find out where the anomalies crept in.