- "Who?" is a 36-track "Donuts"-styled instrumental album based on the most classic hip-hop breaks excecuted in 2008 fashion. The DNA of hip-hop evaporated in a 38 minute beattape. And it's fun too.
- The "Who EP" features vinyl- exclusive extended DJ-versions of four album cuts.
- Circle Research consits of Astro and Nik T, who both have been part
Groove Attack (GER)
Loop 23 (GER)
Dusty Groove (US)
Fat City (UK)
If Music (UK)
Virgin Mega (FR)