this is what the founder of russian subpsychology , vladimir mikhailovich bekhterev, writes.epidemics, expressed by active phenomena accompanied by obvious mental agitation. such epidemics, epidemics. under the influence of appropriate conditions sometimes cover a significant part population and often lead to events fraught with enormous consequences. who are you? traveling musicians, we have no bright leader, a legendary musical quartet and an irresistible troubodour, this is my group, hello my honati.