Producer and DJ Tommy Pulse, real name Bas Tichelaar (1978), has released material under many names - including Virus, R.B.A., Medicine Men, Lazy Jones, Headz Up, and Stone Cold. In 1995, the Amsterdam born DJ was just seventeen when his first Hardcore record was released by ID&T. It got major airtime and two releases soon followed on the Masters of Hardcore label. Together with two friends he combined forces as the R.B.A. project and several R.B.A. releases were born.