Wizmathics Wim Smit Groningen Wizmathics is a dutch drum'n'bass DJ from the city of Groningen. He is known for his deep and soulful style, ideal for warming up the crowd. Around the year 1998 he met the genre for the first time and got hooked. Especially the melodic sounds of LTJ Bukem intriged him as wel as the raw underground sounds like Ed Rush & Optical and Ram Trilogy. Both the melodic as well as the underground sounds can still be heard in his sets and productions.