Launch the application on your mobile or PC.
Search and select the song you want loop for
From the jampage or track page, click the loop button icon at the right side of the add to jamlist icon at the bottom bar.
Click the loop button will immediately open a modal from where you can control which part of the song will be looped.
Click the right and left arrow buttons to set the loop position of the song and the same way to, set the end loop position of the song.
Then click the "Start Loop" button.