Thanks for the reply Hemo! Yeah, the higher registers is a mix down flaw... I was screwing around with my Ozone master template (I tend to work it out on the fly and as I go along as a guide) and I cut the higher register too much!
The bass frequencies I haven't even really paid attention to; it's basically there as a guide at the moment, and I think I will change the bass instrument completely. The M1 Fretless is nice, but yeah, I don't think it's the right fit, and it's a spectrum hog. I can't cut it without losing what makes it great, so new bass it shall be!
The Piano I also agree on. It was even softer earlier, but I'll definitely bring it through!
Thanks for the feedback!