Xuei Ruff, sound engineer, DJ and producer of dark music (dark drum'n'bass, electrodark, industrial...), is the label manager of "Ruff-Tang Productions" and the owner of the recording studio "Ruff-Tang Laboratories

He started production in 1997 and his first autoproduced album, called "The Beginning - Le Commencement", was released in 2000 on the Internet.

He started DJ'ing in 2000 on the swiss webradio Basic.ch with his own show, called "Ruff-Tang Show".
In the Summer 2002, he made his first drum'n'bass DJ set at The Zoo club (Geneva).

In 2003, he launched the recording studio Ruff-Tang Laboratories (mixing, mastering and dub-plate cutting).

From 2004 to 2006, he did a collaboration with the crew of the Uzic radio show. In the same years, Xuei Ruff and Ken'Bro worked together and produced every months a dark improvisation, played on the webradio Uzic.ch.