There are at least six groups named Question Mark... (1) Question Mark is the name of a Nigerian psychedelic rock band from the 70's. They released one LP in 1974 titled "Be Nice to the People" and were included in the recently issued "Nigeria Rock Special" Compilation. (2) Question Mark was a short living band of youngsters from Bilzen, Diepenbeek and Hasselt (Belgium). They played on some local festivals and issued an EP, called Dreams For Free. The band changed its name into Perfect Circle, at the same time becoming a cover band.