However, using this instrumental for (selling your own rap verse over it on Spotify, using it in a paid advertisement) without clearing the rights with Mr Real, ID, and Killertunes is copyright infringement. You will be sued or have your content stripped.
Many producers showcase their skills by creating high-quality (HQ) remakes. Ensure you look for "reproduction" or "instrumental remake" in the title to find versions that mimic the original production quality. Technical Tips for "Extra Quality"