all the sounds from the drum weapons library in reason refill format for use in propellerheads reason program. Expertly sorted and categorized for quick sorting, and above all else THE ILLEST DRUM SOUNDS EVER! over 5000 sounds and 559 kits and perfectly mixed and mastered with readyto go kit format as well as seperate element folders. Keep in mind you get this FREE OF CHARGE when you purchase the Drum Weapons VSTi AU plugin, but if this is all you need then here ya go. KEEP IN MIND NONE OF THE XPANSION FORM DRUM WEAPONS WILL BE OFFERED IN WAV OR REASON REFILL FORMAT WHICH IS ANOTHER REASON WE SUGGEST YOU GET THE ACTUAL PLUGIN.