Taken from a "Knowledge Magazine" interview(1st June,2012) with Optiv,BTK and Optical:
"Optical: [...]I think what has made this work for me is that BTK brings from his music the breakbeat production and rhythms that make you want to dance and Optiv is a master at sounds and bass, particularly his own take on the psychedelic filtered stab sounds once found in techno, they just talk to you and he has mastered the art. Together they form a really great combination of all the things that make a good track work."
http://www.kmag.co.uk/editorial/features/optiv-and-btk-interview.html
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https://soundcloud.com/optiv
http://www.facebook.com/djoptiv
https://soundcloud.com/btk
http://www.facebook.com/djbtk