Available as an electronic download, the KV331 Audio Big Tone Club Construction Set is an expansion pack for the SynthMaster One virtual instrument (available separately) with an emphasis on electronic club music. The pack provides 50 presets created by Big Tone with sounds focused on house, deep house, tech-house, techno, and deep-melodic-trance musical genres. Sounds include synths, pads, leads, bass, percussion, and more.