Once you find your loop, drag it into the studio over the drum beat and it will automatically match the BPM and song key. This should give you a perfect canvas to build out your beat further on. This video was posted to the Jacknjellify X on July 12, https://holdenoeumb.blogoscience.com/37296140/o-fato-sobre-lo-fi-chill-beats-que-ninguém-está-sugerindo