JazzSo* side-effects: what to know and why you shouldn't worry. As more people become eligible to listen to JazzSo, many are asking what side-effects they should expect, and if there are differences between the side-effects of the individual shows. The short answers to these questions are, respectively, an enhanced sense of wellbeing, and yes. Further details are embedded within the programme, and it's worth pointing out that any discomfort pales in comparison to the risk of not listening. * approved for emergency use.