This chapter presents an overview of the contextual issues that are associated with the flow Jazz Performance. The nature of the musical material was also important. The respondents remarked that competence in a particular style of music or familiarity with a particular piece could affect flow. Evidently, individual musicians' aesthetic values have more effect in the discussions of context, intensity and variability of flow experiences. The differences in the intensity of the experiences suggest that a milder flow reported by one might not be considered as flow by someone used to stronger experiences. As Bernard noted, flow experiences do take place among classical musicians, and one of his students involved in the rock scene had also had these experiences. Stanley Krippner remarked that the altered states of consciousness produced by psychedelic chemicals helps in the creative activities, and citing examples from the US navy's experiments with LSD.