The problems with the new theme are all down to the mixing. the timing is also slightly different between TFA and ANH so joining the two together without a noticeable audio cut is going to be tough. I’d been playing about with the TFA theme for my own personal TFA edit and did some remixing to get it to sound more like the other episodes themes without having to reuse one of the original pieces of music. If anyone wants to use it ( it’s only stereo at the moment though) then they can
https://mega.nz/#!qUtjATQQ!J6RgSOoGYTnShtha-AmJSVBQPIwB-A0xQ8M7V87jlhU