After payment, you should receive a letter to the email, you specified when purchasing. In this letter there will be a link for downloading the archive, in which there will be notes in JPG format and version of the track without a saxophone.
Faul & Wad Ad vs. Pnau – Changes (Syntheticsax Extended Remix)
This version is also officially released as a cover version
Syntheticsax – Changes Faul & Wad Ad vs. Pnau cove
In the archive there is also an extended version