What does this quote mean to

“make sure what you do today is important to you because you are exchanging a day of your life for it.”

Some people say that going to a western art music concert is a passive experience. would you say this is true? (your focus should be on concerts of art music, though you may draw conclusions to concerts of popular and/or world music’s.)

For a theatrical production, the comes up with the sound plan, and the makes the plan a reality. sound board operator; sound engineer sound designer; sound engineer sound engineer; sound tech sound tech; sound board operator

1. according to bertrand, what is the purpose of relaying the story of samson at the beginning of the chapter? in other words, what does it have to do with the subject matter?