Claudio Passavanti

In this video, Doctor Mix (Formerly working under his real name, Claudio Passavanti) discusses purchasing a Kurzweil K2000 like he used to own. At 1:31 in the video you can see the gear he used for his album "After Hours (Ritual)" and there is clearly a K2000 on the bottom tier of the stand.

At 1:31, you can see he has a 01/W Pro on the top tier of his stand. It's hard to tell but based on the joystick assembly, the curved screen, and the 76 keys, it can be assumed that it's a Korg 01/W Pro.

At 1:31, You can clearly see a Korg M1 on the right side of the picture, It's easily identifiable by the joystick assembly which was only used on the M1.

At 2:30 you can see a Crumar Stratus sitting on the table behind Claudio, It's identifiable by the gray panel and odd joystick. He's also stated in a separate video that he owned a Crumar Stratus.