Wholeness

I think Tchaikovsky, Piano Concerto No. 1 is a correct example where the composer's knowledge has a domain where musician's and spectators' knowledge domains meet one another:



It can look like

composer's knowledge (musicians' knowledge; spectators' knowledge),

where every knowledge or understanding of actions includes the connection of information and tangible reality.

All the participants act, even Tchaikovsky.

Who said that composers', musicians', spectators' knowledge and actions are intangible or tangible?