Construction kit (bass 6 drums) covering all 12 keys and a wide variety. That come wtih program files for some of the most popular software samplers on the market. Exs24, halion, kontakt, and nn-xt (reason softsampler).This way it is a breeze to tsart making music using the constriction. Loopbox coll loops samples beats drums bass etc loops & samples. Kits right away just load it into your sampler and start messing. Around using the keys on your midi keyboard or program trigger notes in. If you don’t have one of these soft ware samplers, you can just drag. The individual audio files into your daw (digital audio workstation).