Just 1 questions??????

I love the app its amazing and its so helpful cause Im a person here who wants to be a singer and I am doing good with this and I already have seen 2 producers but my question if we make a song use that beat and if we want to plubish it are we allowed to or we have to buy the beat from you so I could use it for my song someone please answer thanks!!!

Questions here! about Bang Track Lite - Vocal Recording Studio + Free Hip Hop Beats