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Areas that need improvement: Mixing and melody consonance.
Areas that were ok: Structure related things and theme.
Areas that were good: Samples and dynamics in structure.
My suggestion if your not educated in music theory is to just come up with a little scale and only use notes on that scale. Also read some EQ tutorials and if you would like I have a whole slew of book suggestions so PM me for that. Otherwise improvement is only mostly going to come from experience. Cheers!
- LD -