The "Free" version will likely have a producer tag (a voice saying the producer's name) every 30-60 seconds. Do not remove this, as it's a requirement for free usage. 5. Mixing Your Vocals
Since this is a "Hard Fast" beat, your flow needs to be precise.
Trap music relies heavily on ad-libs. Use short, punchy sounds in the gaps between your lines to build energy. 4. Technical Usage & Rights