Many presenters and musicians treat concerts and opera performances almost in a religious way. Only enlightened people are allowed to worship the high art of classical music. The end of the COVID19 pandemic allows us to rethink that. A great first step is observing audience members and listening to them. 

The book, Bernhard mentions, is Value Proposition Design by Alex Osterwalder & al. -> https://www.strategyzer.com/books/value-proposition-design.

If you are interested in the Be Your Own Manager Courses on career management and entrepreneurship for classical musicians, you find the details here: www.beyourownmanager.com. To find out more about Bernhard Kerres go to www.bernhardkerres.com.