The fact is that great musical pieces take and hold the stage because they provide great emotional experiences.
I related to his disillusionment. Thinking that he was going for this big dream. Then he kind of saw through it all at one point and went back home. Then he started a bender, which I can relate to of course.
I've met so many people of my son's generation who think a sacrifice is when their satellite or Internet is out for a day and that the country owes them something. That old J.F.K. quote about 'what you can do for your country,' doesn't even seem to apply to so many people.