the project consists in the realisation of the final mix of 1 song, a medium-high level product that "sounds professional".

if think the material is good, but i've been never satisfied of the original mix and i'm not skilled enough to reach a good result. The way to achieve the final result can be very creative, i will let you wide ranges of possibilities to cut-copy-add... in order to achieve "the goal" even from another (yours) point of view  

the song will be sent in separate tracks, .wav format.

I need to have the final mix in a file at the best audio quality, and the source file of the mix (to eventually modify it in the future) in Cakewalk Sonar version (preferred, if you use other softwares, please indicare which one). (This could be the first of 10-12 songs. based to the result and costs i will decide to proceed or not)