A study based on sociological field research that looks at how the consumption of psychotropic drugs taken during a specific musical experience –techno music– creates a specific type of trance, which is quite rare in Western societies. An explanation of this experience, based on psychoanalytical theory, is put forward, as well as a presentation of risk reduction mechanisms developed by what must be termed a techno subculture. If being in a crowd is essential to start off the moment of trance, it also involves a complex personal choice concerning control issues and letting-go. The population living such experiences is quite young (17-30 years of age) and therefore this practice may be defined as a chemical prop used during a period of adjusting one’s identity and entering the adult age where roles are increasingly less pre-determined.