But as they say, beauty is in the eye of the beholder...

and sometimes the frame around the painting is important.

A sheet of paper with a child's finger painting, held to a wall with scotch tape will never be appreciated by the masses* as much as that same finger painting in a fancy frame.

_{*parents always appreciate it more than strangers}

There is also the issues with herd mentality and the psychological effects of one's current surroundings at play.

Would the crowd have behaved differently if there had been a staged group of people surrounding him, seeming like they were enjoying the music? Would that have encouraged more to stop and listen? Perhaps there were many that would have stopped but since nobody else did, they didn't either. They were following crowd behavior.

Curt, the wrong passion. Guys like the example above couldn't get where they are if they didn't have passion but passion manifested the wrong way is like a poor man in his attempt to both cut down practice time as well as get listener feedback played heavy metal on an urban environment at the crack of midnight where everyone just wanted to get some rest.

With the right amount of luck, he would still get enough listener feedback or even get a party started which would motivate him further to practice and hone his skills.

But,

the most likely thing is that he'll get neighbors shouting at him to go to sleep.