You notice, the entertainer is ignored in the street performance video
He is there for ambience, just filling in the dead space..
Personally I would not want to see this kind of entertainment.. Sure I have many times supporting friends that use this method (most are female singers I know)..
This concept is karaoke...
While I am on the entertainment subject.... The reason I would "want" to see a band or solo act is musicianship as in playing with some skill..
Vocals are totally over-rated... the average singer is just that ,, average.
After 4 or 5 songs I am bored by vocals... the only saving grace to me is their ability to perform on instruments too..
Sing to a laptop...I'll pass.. if I have a choice..
Now I could sit through a couple sets with good players... A jazz guitarist that can play... great chords that get my attention
Or a piano player that does the same.... or a sax that sounds like it is singing..
That drummer that shows me what brushes are for... and a bass player that is on the same page as the drummer..