Awesome set of hard a f&c# bass drops. You get 15 amazing kits with audio stems, midi and Serum patches. Some of the sets feel like a continuation of each other or even looked at as a "Part 2...3" as they use similar sounds but they are easily usable with each other. This is great for using some of the parts and bringing in other sounds and drums rather than going with the set as it was originally built. If you like NOISY and HARD , this is something you'll most likely love.