Ecstasy did for house music what LSD did for psychedelic rock. Now, in Energy Flash , journalist Simon Reynolds offers a revved-up and passionate inside chronicle of how MDMA ("ecstasy") and MIDI (the basis for electronica) together spawned the unique rave culture of the 1990s. England, Germany, and Holland began tinkering with imported Detroit techno and Chicago house music in the late 1980s, and when ecstasy was added to the mix in British clubs,...