Choose 3 ADpaks (drum kits), 3 MIDIpaks (beats) and 3 Kitpiece Paks (single drums). The Custom Collection comes with the Addictive Drums 2 engine and the AD2 Core MIDI library.With the Custom Collections you’re free to choose a combination of content that’s as unique as the sound you’re going to create with it. Pick and choose among drum kits, kit pieces and MIDI beats based on your own individual preferences. You’re the creative genius.We’re just here to give you the right tools for the job. Select the content yourself based on what you want and need. Stadium rock fills played on a Brazilian pandeiro? It could just become the sound of summer! Funk breaks on a Heavy Metal kit… why the hell not? The bigger you go the better the value.