Can I ask for help with
14a music from South and Central America (4)
25d Salt lake limits navigator regularly (7)
Then I can continue with the grid stare!
The preamble is confusing - '...less chaotic' suggests there should still be a few non-words in the final grid, but all of the letters in the initial grid are recycled to make real words (although a few of the words are pretty obscure). Hope that levels up the playing field a bit.